40144520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77201}}^1$

素因数の和:77225

約数の個数: 32

約数和(自身を含む): 97274520

約数和(自身を除く): 57130000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77201, 154402, 308804, 386005, 617608, 772010, 1003613, 1544020, 2007226, 3088040, 4014452, 5018065, 8028904, 10036130, 20072260, 40144520]

約数ペア:

[(1, 40144520), (2, 20072260), (4, 10036130), (5, 8028904), (8, 5018065), (10, 4014452), (13, 3088040), (20, 2007226), (26, 1544020), (40, 1003613), (52, 772010), (65, 617608), (104, 386005), (130, 308804), (260, 154402), (520, 77201)]