55496720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 140616000

約数和(自身を除く): 85119280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1259, 1520, 2204, 2320, 2518, 2755, 4408, 5036, 5510, 6295, 8816, 10072, 11020, 12590, 20144, 22040, 23921, 25180, 36511, 44080, 47842, 50360, 73022, 95684, 100720, 119605, 146044, 182555, 191368, 239210, 292088, 365110, 382736, 478420, 584176, 693709, 730220, 956840, 1387418, 1460440, 1913680, 2774836, 2920880, 3468545, 5549672, 6937090, 11099344, 13874180, 27748360, 55496720]

約数ペア:

[(1, 55496720), (2, 27748360), (4, 13874180), (5, 11099344), (8, 6937090), (10, 5549672), (16, 3468545), (19, 2920880), (20, 2774836), (29, 1913680), (38, 1460440), (40, 1387418), (58, 956840), (76, 730220), (80, 693709), (95, 584176), (116, 478420), (145, 382736), (152, 365110), (190, 292088), (232, 239210), (290, 191368), (304, 182555), (380, 146044), (464, 119605), (551, 100720), (580, 95684), (760, 73022), (1102, 50360), (1160, 47842), (1259, 44080), (1520, 36511), (2204, 25180), (2320, 23921), (2518, 22040), (2755, 20144), (4408, 12590), (5036, 11020), (5510, 10072), (6295, 8816)]