87881420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{7537}}^1$

素因数の和:7610

約数の個数: 48

約数和(自身を含む): 205154208

約数和(自身を除く): 117272788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 7537, 11660, 15074, 30148, 37685, 75370, 82907, 150740, 165814, 331628, 399461, 414535, 798922, 829070, 1597844, 1658140, 1997305, 3994610, 4394071, 7989220, 8788142, 17576284, 21970355, 43940710, 87881420]

約数ペア:

[(1, 87881420), (2, 43940710), (4, 21970355), (5, 17576284), (10, 8788142), (11, 7989220), (20, 4394071), (22, 3994610), (44, 1997305), (53, 1658140), (55, 1597844), (106, 829070), (110, 798922), (212, 414535), (220, 399461), (265, 331628), (530, 165814), (583, 150740), (1060, 82907), (1166, 75370), (2332, 37685), (2915, 30148), (5830, 15074), (7537, 11660)]