51221820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:799

約数の個数: 96

約数和(自身を含む): 156276288

約数和(自身を除く): 105054468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 260, 291, 388, 390, 485, 582, 677, 780, 970, 1164, 1261, 1354, 1455, 1940, 2031, 2522, 2708, 2910, 3385, 3783, 4062, 5044, 5820, 6305, 6770, 7566, 8124, 8801, 10155, 12610, 13540, 15132, 17602, 18915, 20310, 25220, 26403, 35204, 37830, 40620, 44005, 52806, 65669, 75660, 88010, 105612, 131338, 132015, 176020, 197007, 262676, 264030, 328345, 394014, 528060, 656690, 788028, 853697, 985035, 1313380, 1707394, 1970070, 2561091, 3414788, 3940140, 4268485, 5122182, 8536970, 10244364, 12805455, 17073940, 25610910, 51221820]

約数ペア:

[(1, 51221820), (2, 25610910), (3, 17073940), (4, 12805455), (5, 10244364), (6, 8536970), (10, 5122182), (12, 4268485), (13, 3940140), (15, 3414788), (20, 2561091), (26, 1970070), (30, 1707394), (39, 1313380), (52, 985035), (60, 853697), (65, 788028), (78, 656690), (97, 528060), (130, 394014), (156, 328345), (194, 264030), (195, 262676), (260, 197007), (291, 176020), (388, 132015), (390, 131338), (485, 105612), (582, 88010), (677, 75660), (780, 65669), (970, 52806), (1164, 44005), (1261, 40620), (1354, 37830), (1455, 35204), (1940, 26403), (2031, 25220), (2522, 20310), (2708, 18915), (2910, 17602), (3385, 15132), (3783, 13540), (4062, 12610), (5044, 10155), (5820, 8801), (6305, 8124), (6770, 7566)]