80243528

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 155131200

約数和(自身を除く): 74887672

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 419, 647, 838, 1294, 1676, 2588, 3352, 5176, 15503, 23939, 31006, 47878, 62012, 95756, 124024, 191512, 271093, 542186, 1084372, 2168744, 10030441, 20060882, 40121764, 80243528]

約数ペア:

[(1, 80243528), (2, 40121764), (4, 20060882), (8, 10030441), (37, 2168744), (74, 1084372), (148, 542186), (296, 271093), (419, 191512), (647, 124024), (838, 95756), (1294, 62012), (1676, 47878), (2588, 31006), (3352, 23939), (5176, 15503)]