8116420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 20321280

約数和(自身を除く): 12204860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 53, 62, 65, 76, 95, 106, 124, 130, 155, 190, 212, 247, 260, 265, 310, 380, 403, 494, 530, 589, 620, 689, 806, 988, 1007, 1060, 1178, 1235, 1378, 1612, 1643, 2014, 2015, 2356, 2470, 2756, 2945, 3286, 3445, 4028, 4030, 4940, 5035, 5890, 6572, 6890, 7657, 8060, 8215, 10070, 11780, 13091, 13780, 15314, 16430, 20140, 21359, 26182, 30628, 31217, 32860, 38285, 42718, 52364, 62434, 65455, 76570, 85436, 106795, 124868, 130910, 153140, 156085, 213590, 261820, 312170, 405821, 427180, 624340, 811642, 1623284, 2029105, 4058210, 8116420]

約数ペア:

[(1, 8116420), (2, 4058210), (4, 2029105), (5, 1623284), (10, 811642), (13, 624340), (19, 427180), (20, 405821), (26, 312170), (31, 261820), (38, 213590), (52, 156085), (53, 153140), (62, 130910), (65, 124868), (76, 106795), (95, 85436), (106, 76570), (124, 65455), (130, 62434), (155, 52364), (190, 42718), (212, 38285), (247, 32860), (260, 31217), (265, 30628), (310, 26182), (380, 21359), (403, 20140), (494, 16430), (530, 15314), (589, 13780), (620, 13091), (689, 11780), (806, 10070), (988, 8215), (1007, 8060), (1060, 7657), (1178, 6890), (1235, 6572), (1378, 5890), (1612, 5035), (1643, 4940), (2014, 4030), (2015, 4028), (2356, 3445), (2470, 3286), (2756, 2945)]