56917240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 133436160

約数和(自身を除く): 76518920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 233, 248, 310, 394, 466, 620, 788, 932, 985, 1165, 1240, 1576, 1864, 1970, 2330, 3940, 4660, 6107, 7223, 7880, 9320, 12214, 14446, 24428, 28892, 30535, 36115, 45901, 48856, 57784, 61070, 72230, 91802, 122140, 144460, 183604, 229505, 244280, 288920, 367208, 459010, 918020, 1422931, 1836040, 2845862, 5691724, 7114655, 11383448, 14229310, 28458620, 56917240]

約数ペア:

[(1, 56917240), (2, 28458620), (4, 14229310), (5, 11383448), (8, 7114655), (10, 5691724), (20, 2845862), (31, 1836040), (40, 1422931), (62, 918020), (124, 459010), (155, 367208), (197, 288920), (233, 244280), (248, 229505), (310, 183604), (394, 144460), (466, 122140), (620, 91802), (788, 72230), (932, 61070), (985, 57784), (1165, 48856), (1240, 45901), (1576, 36115), (1864, 30535), (1970, 28892), (2330, 24428), (3940, 14446), (4660, 12214), (6107, 9320), (7223, 7880)]