72536440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25541}}^1$

素因数の和:25623

約数の個数: 32

約数和(自身を含む): 165512160

約数和(自身を除く): 92975720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 25541, 51082, 102164, 127705, 204328, 255410, 510820, 1021640, 1813411, 3626822, 7253644, 9067055, 14507288, 18134110, 36268220, 72536440]

約数ペア:

[(1, 72536440), (2, 36268220), (4, 18134110), (5, 14507288), (8, 9067055), (10, 7253644), (20, 3626822), (40, 1813411), (71, 1021640), (142, 510820), (284, 255410), (355, 204328), (568, 127705), (710, 102164), (1420, 51082), (2840, 25541)]