415956440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 950780160

約数和(自身を除く): 534823720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 163, 262, 326, 487, 524, 652, 655, 815, 974, 1048, 1304, 1310, 1630, 1948, 2435, 2620, 3260, 3896, 4870, 5240, 6520, 9740, 19480, 21353, 42706, 63797, 79381, 85412, 106765, 127594, 158762, 170824, 213530, 255188, 317524, 318985, 396905, 427060, 510376, 635048, 637970, 793810, 854120, 1275940, 1587620, 2551880, 3175240, 10398911, 20797822, 41595644, 51994555, 83191288, 103989110, 207978220, 415956440]

約数ペア:

[(1, 415956440), (2, 207978220), (4, 103989110), (5, 83191288), (8, 51994555), (10, 41595644), (20, 20797822), (40, 10398911), (131, 3175240), (163, 2551880), (262, 1587620), (326, 1275940), (487, 854120), (524, 793810), (652, 637970), (655, 635048), (815, 510376), (974, 427060), (1048, 396905), (1304, 318985), (1310, 317524), (1630, 255188), (1948, 213530), (2435, 170824), (2620, 158762), (3260, 127594), (3896, 106765), (4870, 85412), (5240, 79381), (6520, 63797), (9740, 42706), (19480, 21353)]