140629840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{135221}}^1$

素因数の和:135247

約数の個数: 40

約数和(自身を含む): 352118088

約数和(自身を除く): 211488248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 135221, 270442, 540884, 676105, 1081768, 1352210, 1757873, 2163536, 2704420, 3515746, 5408840, 7031492, 8789365, 10817680, 14062984, 17578730, 28125968, 35157460, 70314920, 140629840]

約数ペア:

[(1, 140629840), (2, 70314920), (4, 35157460), (5, 28125968), (8, 17578730), (10, 14062984), (13, 10817680), (16, 8789365), (20, 7031492), (26, 5408840), (40, 3515746), (52, 2704420), (65, 2163536), (80, 1757873), (104, 1352210), (130, 1081768), (208, 676105), (260, 540884), (520, 270442), (1040, 135221)]