2751440

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 6466848

約数和(自身を除く): 3715408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 211, 326, 422, 652, 815, 844, 1055, 1304, 1630, 1688, 2110, 2608, 3260, 3376, 4220, 6520, 8440, 13040, 16880, 34393, 68786, 137572, 171965, 275144, 343930, 550288, 687860, 1375720, 2751440]

約数ペア:

[(1, 2751440), (2, 1375720), (4, 687860), (5, 550288), (8, 343930), (10, 275144), (16, 171965), (20, 137572), (40, 68786), (80, 34393), (163, 16880), (211, 13040), (326, 8440), (422, 6520), (652, 4220), (815, 3376), (844, 3260), (1055, 2608), (1304, 2110), (1630, 1688)]