8256560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 21936096

約数和(自身を除く): 13679536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 467, 520, 680, 884, 934, 1040, 1105, 1360, 1768, 1868, 2210, 2335, 3536, 3736, 4420, 4670, 6071, 7472, 7939, 8840, 9340, 12142, 15878, 17680, 18680, 24284, 30355, 31756, 37360, 39695, 48568, 60710, 63512, 79390, 97136, 103207, 121420, 127024, 158780, 206414, 242840, 317560, 412828, 485680, 516035, 635120, 825656, 1032070, 1651312, 2064140, 4128280, 8256560]

約数ペア:

[(1, 8256560), (2, 4128280), (4, 2064140), (5, 1651312), (8, 1032070), (10, 825656), (13, 635120), (16, 516035), (17, 485680), (20, 412828), (26, 317560), (34, 242840), (40, 206414), (52, 158780), (65, 127024), (68, 121420), (80, 103207), (85, 97136), (104, 79390), (130, 63512), (136, 60710), (170, 48568), (208, 39695), (221, 37360), (260, 31756), (272, 30355), (340, 24284), (442, 18680), (467, 17680), (520, 15878), (680, 12142), (884, 9340), (934, 8840), (1040, 7939), (1105, 7472), (1360, 6071), (1768, 4670), (1868, 4420), (2210, 3736), (2335, 3536)]