40300120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{883}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 104382720

約数和(自身を除く): 64082600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 883, 1141, 1304, 1630, 1766, 2282, 3260, 3532, 4415, 4564, 5705, 6181, 6520, 7064, 8830, 9128, 11410, 12362, 17660, 22820, 24724, 30905, 35320, 45640, 49448, 61810, 123620, 143929, 247240, 287858, 575716, 719645, 1007503, 1151432, 1439290, 2015006, 2878580, 4030012, 5037515, 5757160, 8060024, 10075030, 20150060, 40300120]

約数ペア:

[(1, 40300120), (2, 20150060), (4, 10075030), (5, 8060024), (7, 5757160), (8, 5037515), (10, 4030012), (14, 2878580), (20, 2015006), (28, 1439290), (35, 1151432), (40, 1007503), (56, 719645), (70, 575716), (140, 287858), (163, 247240), (280, 143929), (326, 123620), (652, 61810), (815, 49448), (883, 45640), (1141, 35320), (1304, 30905), (1630, 24724), (1766, 22820), (2282, 17660), (3260, 12362), (3532, 11410), (4415, 9128), (4564, 8830), (5705, 7064), (6181, 6520)]