72207440

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5749}}^1$

素因数の和:5919

約数の個数: 40

約数和(自身を含む): 168981000

約数和(自身を除く): 96773560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 5749, 6280, 11498, 12560, 22996, 28745, 45992, 57490, 91984, 114980, 229960, 459920, 902593, 1805186, 3610372, 4512965, 7220744, 9025930, 14441488, 18051860, 36103720, 72207440]

約数ペア:

[(1, 72207440), (2, 36103720), (4, 18051860), (5, 14441488), (8, 9025930), (10, 7220744), (16, 4512965), (20, 3610372), (40, 1805186), (80, 902593), (157, 459920), (314, 229960), (628, 114980), (785, 91984), (1256, 57490), (1570, 45992), (2512, 28745), (3140, 22996), (5749, 12560), (6280, 11498)]