25105520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 40033168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 607, 752, 880, 940, 1034, 1214, 1880, 2068, 2428, 2585, 3035, 3760, 4136, 4856, 5170, 6070, 6677, 8272, 9712, 10340, 12140, 13354, 20680, 24280, 26708, 28529, 33385, 41360, 48560, 53416, 57058, 66770, 106832, 114116, 133540, 142645, 228232, 267080, 285290, 313819, 456464, 534160, 570580, 627638, 1141160, 1255276, 1569095, 2282320, 2510552, 3138190, 5021104, 6276380, 12552760, 25105520]

約数ペア:

[(1, 25105520), (2, 12552760), (4, 6276380), (5, 5021104), (8, 3138190), (10, 2510552), (11, 2282320), (16, 1569095), (20, 1255276), (22, 1141160), (40, 627638), (44, 570580), (47, 534160), (55, 456464), (80, 313819), (88, 285290), (94, 267080), (110, 228232), (176, 142645), (188, 133540), (220, 114116), (235, 106832), (376, 66770), (440, 57058), (470, 53416), (517, 48560), (607, 41360), (752, 33385), (880, 28529), (940, 26708), (1034, 24280), (1214, 20680), (1880, 13354), (2068, 12140), (2428, 10340), (2585, 9712), (3035, 8272), (3760, 6677), (4136, 6070), (4856, 5170)]