2080787620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{5419}}^1$

素因数の和:5764

約数の個数: 48

約数和(自身を含む): 4447175040

約数和(自身を除く): 2366387420

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 263, 292, 365, 526, 730, 1052, 1315, 1460, 2630, 5260, 5419, 10838, 19199, 21676, 27095, 38398, 54190, 76796, 95995, 108380, 191990, 383980, 395587, 791174, 1425197, 1582348, 1977935, 2850394, 3955870, 5700788, 7125985, 7911740, 14251970, 28503940, 104039381, 208078762, 416157524, 520196905, 1040393810, 2080787620]

約数ペア:

[(1, 2080787620), (2, 1040393810), (4, 520196905), (5, 416157524), (10, 208078762), (20, 104039381), (73, 28503940), (146, 14251970), (263, 7911740), (292, 7125985), (365, 5700788), (526, 3955870), (730, 2850394), (1052, 1977935), (1315, 1582348), (1460, 1425197), (2630, 791174), (5260, 395587), (5419, 383980), (10838, 191990), (19199, 108380), (21676, 95995), (27095, 76796), (38398, 54190)]