87212620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6719}}^1$

素因数の和:6798

約数の個数: 48

約数和(自身を含む): 203212800

約数和(自身を除く): 116000180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 6719, 12980, 13438, 26876, 33595, 67190, 73909, 134380, 147818, 295636, 369545, 396421, 739090, 792842, 1478180, 1585684, 1982105, 3964210, 4360631, 7928420, 8721262, 17442524, 21803155, 43606310, 87212620]

約数ペア:

[(1, 87212620), (2, 43606310), (4, 21803155), (5, 17442524), (10, 8721262), (11, 7928420), (20, 4360631), (22, 3964210), (44, 1982105), (55, 1585684), (59, 1478180), (110, 792842), (118, 739090), (220, 396421), (236, 369545), (295, 295636), (590, 147818), (649, 134380), (1180, 73909), (1298, 67190), (2596, 33595), (3245, 26876), (6490, 13438), (6719, 12980)]