40889775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 71582720

約数和(自身を除く): 30692945

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 409, 465, 645, 775, 1075, 1227, 1333, 2045, 2325, 3225, 3999, 6135, 6665, 10225, 12679, 17587, 19995, 30675, 33325, 38037, 52761, 63395, 87935, 99975, 190185, 263805, 316975, 439675, 545197, 950925, 1319025, 1635591, 2725985, 8177955, 13629925, 40889775]

約数ペア:

[(1, 40889775), (3, 13629925), (5, 8177955), (15, 2725985), (25, 1635591), (31, 1319025), (43, 950925), (75, 545197), (93, 439675), (129, 316975), (155, 263805), (215, 190185), (409, 99975), (465, 87935), (645, 63395), (775, 52761), (1075, 38037), (1227, 33325), (1333, 30675), (2045, 19995), (2325, 17587), (3225, 12679), (3999, 10225), (6135, 6665)]