5280556840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1163

約数の個数: 128

約数和(自身を含む): 13072389120

約数和(自身を除く): 7791832280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 157, 260, 284, 314, 355, 520, 568, 628, 710, 785, 911, 923, 1256, 1420, 1570, 1822, 1846, 2041, 2840, 3140, 3644, 3692, 4082, 4555, 4615, 6280, 7288, 7384, 8164, 9110, 9230, 10205, 11147, 11843, 16328, 18220, 18460, 20410, 22294, 23686, 36440, 36920, 40820, 44588, 47372, 55735, 59215, 64681, 81640, 89176, 94744, 111470, 118430, 129362, 143027, 144911, 222940, 236860, 258724, 286054, 289822, 323405, 445880, 473720, 517448, 572108, 579644, 646810, 715135, 724555, 840853, 1144216, 1159288, 1293620, 1430270, 1449110, 1681706, 1859351, 2587240, 2860540, 2898220, 3363412, 3718702, 4204265, 5721080, 5796440, 6726824, 7437404, 8408530, 9296755, 10154917, 14874808, 16817060, 18593510, 20309834, 33634120, 37187020, 40619668, 50774585, 74374040, 81239336, 101549170, 132013921, 203098340, 264027842, 406196680, 528055684, 660069605, 1056111368, 1320139210, 2640278420, 5280556840]

約数ペア:

[(1, 5280556840), (2, 2640278420), (4, 1320139210), (5, 1056111368), (8, 660069605), (10, 528055684), (13, 406196680), (20, 264027842), (26, 203098340), (40, 132013921), (52, 101549170), (65, 81239336), (71, 74374040), (104, 50774585), (130, 40619668), (142, 37187020), (157, 33634120), (260, 20309834), (284, 18593510), (314, 16817060), (355, 14874808), (520, 10154917), (568, 9296755), (628, 8408530), (710, 7437404), (785, 6726824), (911, 5796440), (923, 5721080), (1256, 4204265), (1420, 3718702), (1570, 3363412), (1822, 2898220), (1846, 2860540), (2041, 2587240), (2840, 1859351), (3140, 1681706), (3644, 1449110), (3692, 1430270), (4082, 1293620), (4555, 1159288), (4615, 1144216), (6280, 840853), (7288, 724555), (7384, 715135), (8164, 646810), (9110, 579644), (9230, 572108), (10205, 517448), (11147, 473720), (11843, 445880), (16328, 323405), (18220, 289822), (18460, 286054), (20410, 258724), (22294, 236860), (23686, 222940), (36440, 144911), (36920, 143027), (40820, 129362), (44588, 118430), (47372, 111470), (55735, 94744), (59215, 89176), (64681, 81640)]