4207640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2843}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 9726480

約数和(自身を除く): 5518840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 2843, 5686, 11372, 14215, 22744, 28430, 56860, 105191, 113720, 210382, 420764, 525955, 841528, 1051910, 2103820, 4207640]

約数ペア:

[(1, 4207640), (2, 2103820), (4, 1051910), (5, 841528), (8, 525955), (10, 420764), (20, 210382), (37, 113720), (40, 105191), (74, 56860), (148, 28430), (185, 22744), (296, 14215), (370, 11372), (740, 5686), (1480, 2843)]