63701480

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1607}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 143562240

約数和(自身を除く): 79860760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1607, 1982, 3214, 3964, 4955, 6428, 7928, 8035, 9910, 12856, 16070, 19820, 32140, 39640, 64280, 1592537, 3185074, 6370148, 7962685, 12740296, 15925370, 31850740, 63701480]

約数ペア:

[(1, 63701480), (2, 31850740), (4, 15925370), (5, 12740296), (8, 7962685), (10, 6370148), (20, 3185074), (40, 1592537), (991, 64280), (1607, 39640), (1982, 32140), (3214, 19820), (3964, 16070), (4955, 12856), (6428, 9910), (7928, 8035)]