1880496980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1\times {\mathrm{1559}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 4050708480

約数和(自身を除く): 2170211500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1471, 1559, 2942, 3118, 5884, 6236, 7355, 7795, 14710, 15590, 29420, 31180, 60311, 63919, 120622, 127838, 241244, 255676, 301555, 319595, 603110, 639190, 1206220, 1278380, 2293289, 4586578, 9173156, 11466445, 22932890, 45865780, 94024849, 188049698, 376099396, 470124245, 940248490, 1880496980]

約数ペア:

[(1, 1880496980), (2, 940248490), (4, 470124245), (5, 376099396), (10, 188049698), (20, 94024849), (41, 45865780), (82, 22932890), (164, 11466445), (205, 9173156), (410, 4586578), (820, 2293289), (1471, 1278380), (1559, 1206220), (2942, 639190), (3118, 603110), (5884, 319595), (6236, 301555), (7355, 255676), (7795, 241244), (14710, 127838), (15590, 120622), (29420, 63919), (31180, 60311)]