72810260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{88793}}^1$

素因数の和:88843

約数の個数: 24

約数和(自身を含む): 156632616

約数和(自身を除く): 83822356

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 88793, 177586, 355172, 443965, 887930, 1775860, 3640513, 7281026, 14562052, 18202565, 36405130, 72810260]

約数ペア:

[(1, 72810260), (2, 36405130), (4, 18202565), (5, 14562052), (10, 7281026), (20, 3640513), (41, 1775860), (82, 887930), (164, 443965), (205, 355172), (410, 177586), (820, 88793)]