65240240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62731}}^1$

素因数の和:62757

約数の個数: 40

約数和(自身を含む): 163354128

約数和(自身を除く): 98113888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62731, 125462, 250924, 313655, 501848, 627310, 815503, 1003696, 1254620, 1631006, 2509240, 3262012, 4077515, 5018480, 6524024, 8155030, 13048048, 16310060, 32620120, 65240240]

約数ペア:

[(1, 65240240), (2, 32620120), (4, 16310060), (5, 13048048), (8, 8155030), (10, 6524024), (13, 5018480), (16, 4077515), (20, 3262012), (26, 2509240), (40, 1631006), (52, 1254620), (65, 1003696), (80, 815503), (104, 627310), (130, 501848), (208, 313655), (260, 250924), (520, 125462), (1040, 62731)]