40146680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20483}}^1$

素因数の和:20508

約数の個数: 48

約数和(自身を含む): 105082920

約数和(自身を除く): 64936240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20483, 40966, 81932, 102415, 143381, 163864, 204830, 286762, 409660, 573524, 716905, 819320, 1003667, 1147048, 1433810, 2007334, 2867620, 4014668, 5018335, 5735240, 8029336, 10036670, 20073340, 40146680]

約数ペア:

[(1, 40146680), (2, 20073340), (4, 10036670), (5, 8029336), (7, 5735240), (8, 5018335), (10, 4014668), (14, 2867620), (20, 2007334), (28, 1433810), (35, 1147048), (40, 1003667), (49, 819320), (56, 716905), (70, 573524), (98, 409660), (140, 286762), (196, 204830), (245, 163864), (280, 143381), (392, 102415), (490, 81932), (980, 40966), (1960, 20483)]