72064280

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2939}}^1$

素因数の和:3563

約数の個数: 32

約数和(自身を含む): 162464400

約数和(自身を除く): 90400120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 2939, 3065, 4904, 5878, 6130, 11756, 12260, 14695, 23512, 24520, 29390, 58780, 117560, 1801607, 3603214, 7206428, 9008035, 14412856, 18016070, 36032140, 72064280]

約数ペア:

[(1, 72064280), (2, 36032140), (4, 18016070), (5, 14412856), (8, 9008035), (10, 7206428), (20, 3603214), (40, 1801607), (613, 117560), (1226, 58780), (2452, 29390), (2939, 24520), (3065, 23512), (4904, 14695), (5878, 12260), (6130, 11756)]