8704520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 21738240

約数和(自身を除く): 13033720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 271, 292, 365, 440, 542, 584, 730, 803, 1084, 1355, 1460, 1606, 2168, 2710, 2920, 2981, 3212, 4015, 5420, 5962, 6424, 8030, 10840, 11924, 14905, 16060, 19783, 23848, 29810, 32120, 39566, 59620, 79132, 98915, 119240, 158264, 197830, 217613, 395660, 435226, 791320, 870452, 1088065, 1740904, 2176130, 4352260, 8704520]

約数ペア:

[(1, 8704520), (2, 4352260), (4, 2176130), (5, 1740904), (8, 1088065), (10, 870452), (11, 791320), (20, 435226), (22, 395660), (40, 217613), (44, 197830), (55, 158264), (73, 119240), (88, 98915), (110, 79132), (146, 59620), (220, 39566), (271, 32120), (292, 29810), (365, 23848), (440, 19783), (542, 16060), (584, 14905), (730, 11924), (803, 10840), (1084, 8030), (1355, 6424), (1460, 5962), (1606, 5420), (2168, 4015), (2710, 3212), (2920, 2981)]