8649680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8317}}^1$

素因数の和:8343

約数の個数: 40

約数和(自身を含む): 21660072

約数和(自身を除く): 13010392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8317, 16634, 33268, 41585, 66536, 83170, 108121, 133072, 166340, 216242, 332680, 432484, 540605, 665360, 864968, 1081210, 1729936, 2162420, 4324840, 8649680]

約数ペア:

[(1, 8649680), (2, 4324840), (4, 2162420), (5, 1729936), (8, 1081210), (10, 864968), (13, 665360), (16, 540605), (20, 432484), (26, 332680), (40, 216242), (52, 166340), (65, 133072), (80, 108121), (104, 83170), (130, 66536), (208, 41585), (260, 33268), (520, 16634), (1040, 8317)]