9499640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 22671360

約数和(自身を除く): 13171720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 163, 188, 235, 248, 310, 326, 376, 470, 620, 652, 815, 940, 1240, 1304, 1457, 1630, 1880, 2914, 3260, 5053, 5828, 6520, 7285, 7661, 10106, 11656, 14570, 15322, 20212, 25265, 29140, 30644, 38305, 40424, 50530, 58280, 61288, 76610, 101060, 153220, 202120, 237491, 306440, 474982, 949964, 1187455, 1899928, 2374910, 4749820, 9499640]

約数ペア:

[(1, 9499640), (2, 4749820), (4, 2374910), (5, 1899928), (8, 1187455), (10, 949964), (20, 474982), (31, 306440), (40, 237491), (47, 202120), (62, 153220), (94, 101060), (124, 76610), (155, 61288), (163, 58280), (188, 50530), (235, 40424), (248, 38305), (310, 30644), (326, 29140), (376, 25265), (470, 20212), (620, 15322), (652, 14570), (815, 11656), (940, 10106), (1240, 7661), (1304, 7285), (1457, 6520), (1630, 5828), (1880, 5053), (2914, 3260)]