8753680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 23123520

約数和(自身を除く): 14369840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 443, 494, 520, 760, 886, 988, 1040, 1235, 1520, 1772, 1976, 2215, 2470, 3544, 3952, 4430, 4940, 5759, 7088, 8417, 8860, 9880, 11518, 16834, 17720, 19760, 23036, 28795, 33668, 35440, 42085, 46072, 57590, 67336, 84170, 92144, 109421, 115180, 134672, 168340, 218842, 230360, 336680, 437684, 460720, 547105, 673360, 875368, 1094210, 1750736, 2188420, 4376840, 8753680]

約数ペア:

[(1, 8753680), (2, 4376840), (4, 2188420), (5, 1750736), (8, 1094210), (10, 875368), (13, 673360), (16, 547105), (19, 460720), (20, 437684), (26, 336680), (38, 230360), (40, 218842), (52, 168340), (65, 134672), (76, 115180), (80, 109421), (95, 92144), (104, 84170), (130, 67336), (152, 57590), (190, 46072), (208, 42085), (247, 35440), (260, 33668), (304, 28795), (380, 23036), (443, 19760), (494, 17720), (520, 16834), (760, 11518), (886, 9880), (988, 8860), (1040, 8417), (1235, 7088), (1520, 5759), (1772, 4940), (1976, 4430), (2215, 3952), (2470, 3544)]