61484680

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5981}}^1$

素因数の和:6249

約数の個数: 32

約数和(自身を含む): 138902040

約数和(自身を除く): 77417360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 5981, 10280, 11962, 23924, 29905, 47848, 59810, 119620, 239240, 1537117, 3074234, 6148468, 7685585, 12296936, 15371170, 30742340, 61484680]

約数ペア:

[(1, 61484680), (2, 30742340), (4, 15371170), (5, 12296936), (8, 7685585), (10, 6148468), (20, 3074234), (40, 1537117), (257, 239240), (514, 119620), (1028, 59810), (1285, 47848), (2056, 29905), (2570, 23924), (5140, 11962), (5981, 10280)]