61508120

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2693}}^1$

素因数の和:3275

約数の個数: 32

約数和(自身を含む): 138687120

約数和(自身を除く): 77179000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2693, 2855, 4568, 5386, 5710, 10772, 11420, 13465, 21544, 22840, 26930, 53860, 107720, 1537703, 3075406, 6150812, 7688515, 12301624, 15377030, 30754060, 61508120]

約数ペア:

[(1, 61508120), (2, 30754060), (4, 15377030), (5, 12301624), (8, 7688515), (10, 6150812), (20, 3075406), (40, 1537703), (571, 107720), (1142, 53860), (2284, 26930), (2693, 22840), (2855, 21544), (4568, 13465), (5386, 11420), (5710, 10772)]