8516560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 13982000

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, 431, 494, 520, 760, 862, 988, 1040, 1235, 1520, 1724, 1976, 2155, 2470, 3448, 3952, 4310, 4940, 5603, 6896, 8189, 8620, 9880, 11206, 16378, 17240, 19760, 22412, 28015, 32756, 34480, 40945, 44824, 56030, 65512, 81890, 89648, 106457, 112060, 131024, 163780, 212914, 224120, 327560, 425828, 448240, 532285, 655120, 851656, 1064570, 1703312, 2129140, 4258280, 8516560]

約数ペア:

[(1, 8516560), (2, 4258280), (4, 2129140), (5, 1703312), (8, 1064570), (10, 851656), (13, 655120), (16, 532285), (19, 448240), (20, 425828), (26, 327560), (38, 224120), (40, 212914), (52, 163780), (65, 131024), (76, 112060), (80, 106457), (95, 89648), (104, 81890), (130, 65512), (152, 56030), (190, 44824), (208, 40945), (247, 34480), (260, 32756), (304, 28015), (380, 22412), (431, 19760), (494, 17240), (520, 16378), (760, 11206), (862, 9880), (988, 8620), (1040, 8189), (1235, 6896), (1520, 5603), (1724, 4940), (1976, 4310), (2155, 3952), (2470, 3448)]