72878060

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{20357}}^1$

素因数の和:20545

約数の個数: 24

約数和(自身を含む): 153906480

約数和(自身を除く): 81028420

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 20357, 40714, 81428, 101785, 203570, 407140, 3643903, 7287806, 14575612, 18219515, 36439030, 72878060]

約数ペア:

[(1, 72878060), (2, 36439030), (4, 18219515), (5, 14575612), (10, 7287806), (20, 3643903), (179, 407140), (358, 203570), (716, 101785), (895, 81428), (1790, 40714), (3580, 20357)]