90911560

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 209563200

約数和(自身を除く): 118651640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 139, 166, 197, 278, 332, 394, 415, 556, 664, 695, 788, 830, 985, 1112, 1390, 1576, 1660, 1970, 2780, 3320, 3940, 5560, 7880, 11537, 16351, 23074, 27383, 32702, 46148, 54766, 57685, 65404, 81755, 92296, 109532, 115370, 130808, 136915, 163510, 219064, 230740, 273830, 327020, 461480, 547660, 654040, 1095320, 2272789, 4545578, 9091156, 11363945, 18182312, 22727890, 45455780, 90911560]

約数ペア:

[(1, 90911560), (2, 45455780), (4, 22727890), (5, 18182312), (8, 11363945), (10, 9091156), (20, 4545578), (40, 2272789), (83, 1095320), (139, 654040), (166, 547660), (197, 461480), (278, 327020), (332, 273830), (394, 230740), (415, 219064), (556, 163510), (664, 136915), (695, 130808), (788, 115370), (830, 109532), (985, 92296), (1112, 81755), (1390, 65404), (1576, 57685), (1660, 54766), (1970, 46148), (2780, 32702), (3320, 27383), (3940, 23074), (5560, 16351), (7880, 11537)]