91681840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{60317}}^1$

素因数の和:60349

約数の個数: 40

約数和(自身を含む): 224382960

約数和(自身を除く): 132701120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 60317, 120634, 241268, 301585, 482536, 603170, 965072, 1146023, 1206340, 2292046, 2412680, 4584092, 4825360, 5730115, 9168184, 11460230, 18336368, 22920460, 45840920, 91681840]

約数ペア:

[(1, 91681840), (2, 45840920), (4, 22920460), (5, 18336368), (8, 11460230), (10, 9168184), (16, 5730115), (19, 4825360), (20, 4584092), (38, 2412680), (40, 2292046), (76, 1206340), (80, 1146023), (95, 965072), (152, 603170), (190, 482536), (304, 301585), (380, 241268), (760, 120634), (1520, 60317)]