4006021960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{14879}}^1$

素因数の和:15070

約数の個数: 64

約数和(自身を含む): 9256550400

約数和(自身を除く): 5250528440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 127, 212, 254, 265, 424, 508, 530, 635, 1016, 1060, 1270, 2120, 2540, 5080, 6731, 13462, 14879, 26924, 29758, 33655, 53848, 59516, 67310, 74395, 119032, 134620, 148790, 269240, 297580, 595160, 788587, 1577174, 1889633, 3154348, 3779266, 3942935, 6308696, 7558532, 7885870, 9448165, 15117064, 15771740, 18896330, 31543480, 37792660, 75585320, 100150549, 200301098, 400602196, 500752745, 801204392, 1001505490, 2003010980, 4006021960]

約数ペア:

[(1, 4006021960), (2, 2003010980), (4, 1001505490), (5, 801204392), (8, 500752745), (10, 400602196), (20, 200301098), (40, 100150549), (53, 75585320), (106, 37792660), (127, 31543480), (212, 18896330), (254, 15771740), (265, 15117064), (424, 9448165), (508, 7885870), (530, 7558532), (635, 6308696), (1016, 3942935), (1060, 3779266), (1270, 3154348), (2120, 1889633), (2540, 1577174), (5080, 788587), (6731, 595160), (13462, 297580), (14879, 269240), (26924, 148790), (29758, 134620), (33655, 119032), (53848, 74395), (59516, 67310)]