55984240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53831}}^1$

素因数の和:53857

約数の個数: 40

約数和(自身を含む): 140178528

約数和(自身を除く): 84194288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 53831, 107662, 215324, 269155, 430648, 538310, 699803, 861296, 1076620, 1399606, 2153240, 2799212, 3499015, 4306480, 5598424, 6998030, 11196848, 13996060, 27992120, 55984240]

約数ペア:

[(1, 55984240), (2, 27992120), (4, 13996060), (5, 11196848), (8, 6998030), (10, 5598424), (13, 4306480), (16, 3499015), (20, 2799212), (26, 2153240), (40, 1399606), (52, 1076620), (65, 861296), (80, 699803), (104, 538310), (130, 430648), (208, 269155), (260, 215324), (520, 107662), (1040, 53831)]