2009063960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{29879}}^1$

素因数の和:29972

約数の個数: 48

約数和(自身を含む): 4633491600

約数和(自身を除く): 2624427640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 3362, 6724, 8405, 13448, 16810, 29879, 33620, 59758, 67240, 119516, 149395, 239032, 298790, 597580, 1195160, 1225039, 2450078, 4900156, 6125195, 9800312, 12250390, 24500780, 49001560, 50226599, 100453198, 200906396, 251132995, 401812792, 502265990, 1004531980, 2009063960]

約数ペア:

[(1, 2009063960), (2, 1004531980), (4, 502265990), (5, 401812792), (8, 251132995), (10, 200906396), (20, 100453198), (40, 50226599), (41, 49001560), (82, 24500780), (164, 12250390), (205, 9800312), (328, 6125195), (410, 4900156), (820, 2450078), (1640, 1225039), (1681, 1195160), (3362, 597580), (6724, 298790), (8405, 239032), (13448, 149395), (16810, 119516), (29879, 67240), (33620, 59758)]