247124840

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{9791}}^1$

素因数の和:10433

約数の個数: 32

約数和(自身を含む): 556968960

約数和(自身を除く): 309844120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 9791, 12620, 19582, 25240, 39164, 48955, 78328, 97910, 195820, 391640, 6178121, 12356242, 24712484, 30890605, 49424968, 61781210, 123562420, 247124840]

約数ペア:

[(1, 247124840), (2, 123562420), (4, 61781210), (5, 49424968), (8, 30890605), (10, 24712484), (20, 12356242), (40, 6178121), (631, 391640), (1262, 195820), (2524, 97910), (3155, 78328), (5048, 48955), (6310, 39164), (9791, 25240), (12620, 19582)]