8202920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 20442240

約数和(自身を除く): 12239320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 181, 206, 220, 362, 412, 440, 515, 724, 824, 905, 1030, 1133, 1448, 1810, 1991, 2060, 2266, 3620, 3982, 4120, 4532, 5665, 7240, 7964, 9064, 9955, 11330, 15928, 18643, 19910, 22660, 37286, 39820, 45320, 74572, 79640, 93215, 149144, 186430, 205073, 372860, 410146, 745720, 820292, 1025365, 1640584, 2050730, 4101460, 8202920]

約数ペア:

[(1, 8202920), (2, 4101460), (4, 2050730), (5, 1640584), (8, 1025365), (10, 820292), (11, 745720), (20, 410146), (22, 372860), (40, 205073), (44, 186430), (55, 149144), (88, 93215), (103, 79640), (110, 74572), (181, 45320), (206, 39820), (220, 37286), (362, 22660), (412, 19910), (440, 18643), (515, 15928), (724, 11330), (824, 9955), (905, 9064), (1030, 7964), (1133, 7240), (1448, 5665), (1810, 4532), (1991, 4120), (2060, 3982), (2266, 3620)]