858587560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{113}}^2$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 1997766810

約数和(自身を除く): 1139179250

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 113, 164, 205, 226, 328, 410, 452, 565, 820, 904, 1130, 1640, 1681, 2260, 3362, 4520, 4633, 6724, 8405, 9266, 12769, 13448, 16810, 18532, 23165, 25538, 33620, 37064, 46330, 51076, 63845, 67240, 92660, 102152, 127690, 185320, 189953, 255380, 379906, 510760, 523529, 759812, 949765, 1047058, 1519624, 1899530, 2094116, 2617645, 3799060, 4188232, 5235290, 7598120, 10470580, 20941160, 21464689, 42929378, 85858756, 107323445, 171717512, 214646890, 429293780, 858587560]

約数ペア:

[(1, 858587560), (2, 429293780), (4, 214646890), (5, 171717512), (8, 107323445), (10, 85858756), (20, 42929378), (40, 21464689), (41, 20941160), (82, 10470580), (113, 7598120), (164, 5235290), (205, 4188232), (226, 3799060), (328, 2617645), (410, 2094116), (452, 1899530), (565, 1519624), (820, 1047058), (904, 949765), (1130, 759812), (1640, 523529), (1681, 510760), (2260, 379906), (3362, 255380), (4520, 189953), (4633, 185320), (6724, 127690), (8405, 102152), (9266, 92660), (12769, 67240), (13448, 63845), (16810, 51076), (18532, 46330), (23165, 37064), (25538, 33620)]