8709220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 21732480

約数和(自身を除く): 13023260

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 43, 52, 65, 76, 82, 86, 95, 130, 164, 172, 190, 205, 215, 247, 260, 380, 410, 430, 494, 533, 559, 779, 817, 820, 860, 988, 1066, 1118, 1235, 1558, 1634, 1763, 2132, 2236, 2470, 2665, 2795, 3116, 3268, 3526, 3895, 4085, 4940, 5330, 5590, 7052, 7790, 8170, 8815, 10127, 10621, 10660, 11180, 15580, 16340, 17630, 20254, 21242, 22919, 33497, 35260, 40508, 42484, 45838, 50635, 53105, 66994, 91676, 101270, 106210, 114595, 133988, 167485, 202540, 212420, 229190, 334970, 435461, 458380, 669940, 870922, 1741844, 2177305, 4354610, 8709220]

約数ペア:

[(1, 8709220), (2, 4354610), (4, 2177305), (5, 1741844), (10, 870922), (13, 669940), (19, 458380), (20, 435461), (26, 334970), (38, 229190), (41, 212420), (43, 202540), (52, 167485), (65, 133988), (76, 114595), (82, 106210), (86, 101270), (95, 91676), (130, 66994), (164, 53105), (172, 50635), (190, 45838), (205, 42484), (215, 40508), (247, 35260), (260, 33497), (380, 22919), (410, 21242), (430, 20254), (494, 17630), (533, 16340), (559, 15580), (779, 11180), (817, 10660), (820, 10621), (860, 10127), (988, 8815), (1066, 8170), (1118, 7790), (1235, 7052), (1558, 5590), (1634, 5330), (1763, 4940), (2132, 4085), (2236, 3895), (2470, 3526), (2665, 3268), (2795, 3116)]