9985720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8053}}^1$

素因数の和:8095

約数の個数: 32

約数和(自身を含む): 23195520

約数和(自身を除く): 13209800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 8053, 16106, 32212, 40265, 64424, 80530, 161060, 249643, 322120, 499286, 998572, 1248215, 1997144, 2496430, 4992860, 9985720]

約数ペア:

[(1, 9985720), (2, 4992860), (4, 2496430), (5, 1997144), (8, 1248215), (10, 998572), (20, 499286), (31, 322120), (40, 249643), (62, 161060), (124, 80530), (155, 64424), (248, 40265), (310, 32212), (620, 16106), (1240, 8053)]