87127825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 120547840

約数和(自身を除く): 33420015

約数列:

[1, 5, 19, 25, 31, 61, 95, 97, 155, 305, 475, 485, 589, 775, 1159, 1525, 1843, 1891, 2425, 2945, 3007, 5795, 5917, 9215, 9455, 14725, 15035, 28975, 29585, 35929, 46075, 47275, 57133, 75175, 112423, 147925, 179645, 183427, 285665, 562115, 898225, 917135, 1428325, 2810575, 3485113, 4585675, 17425565, 87127825]

約数ペア:

[(1, 87127825), (5, 17425565), (19, 4585675), (25, 3485113), (31, 2810575), (61, 1428325), (95, 917135), (97, 898225), (155, 562115), (305, 285665), (475, 183427), (485, 179645), (589, 147925), (775, 112423), (1159, 75175), (1525, 57133), (1843, 47275), (1891, 46075), (2425, 35929), (2945, 29585), (3007, 28975), (5795, 15035), (5917, 14725), (9215, 9455)]