20121124875

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{733}}^1\times {\mathrm{1031}}^1$

素因数の和:1853

約数の個数: 64

約数和(自身を含む): 34032420864

約数和(自身を除く): 13911295989

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 733, 1031, 1065, 1775, 2199, 3093, 3665, 5155, 5325, 8875, 10995, 15465, 18325, 25775, 26625, 52043, 54975, 73201, 77325, 91625, 128875, 156129, 219603, 260215, 274875, 366005, 386625, 755723, 780645, 1098015, 1301075, 1830025, 2267169, 3778615, 3903225, 5490075, 6505375, 9150125, 11335845, 18893075, 19516125, 27450375, 53656333, 56679225, 94465375, 160968999, 268281665, 283396125, 804844995, 1341408325, 4024224975, 6707041625, 20121124875]

約数ペア:

[(1, 20121124875), (3, 6707041625), (5, 4024224975), (15, 1341408325), (25, 804844995), (71, 283396125), (75, 268281665), (125, 160968999), (213, 94465375), (355, 56679225), (375, 53656333), (733, 27450375), (1031, 19516125), (1065, 18893075), (1775, 11335845), (2199, 9150125), (3093, 6505375), (3665, 5490075), (5155, 3903225), (5325, 3778615), (8875, 2267169), (10995, 1830025), (15465, 1301075), (18325, 1098015), (25775, 780645), (26625, 755723), (52043, 386625), (54975, 366005), (73201, 274875), (77325, 260215), (91625, 219603), (128875, 156129)]