25182520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^4\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 80

約数和(自身を含む): 63775800

約数和(自身を除く): 38593280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 121, 172, 215, 220, 242, 344, 430, 440, 473, 484, 605, 860, 946, 968, 1210, 1331, 1720, 1892, 2365, 2420, 2662, 3784, 4730, 4840, 5203, 5324, 6655, 9460, 10406, 10648, 13310, 14641, 18920, 20812, 26015, 26620, 29282, 41624, 52030, 53240, 57233, 58564, 73205, 104060, 114466, 117128, 146410, 208120, 228932, 286165, 292820, 457864, 572330, 585640, 629563, 1144660, 1259126, 2289320, 2518252, 3147815, 5036504, 6295630, 12591260, 25182520]

約数ペア:

[(1, 25182520), (2, 12591260), (4, 6295630), (5, 5036504), (8, 3147815), (10, 2518252), (11, 2289320), (20, 1259126), (22, 1144660), (40, 629563), (43, 585640), (44, 572330), (55, 457864), (86, 292820), (88, 286165), (110, 228932), (121, 208120), (172, 146410), (215, 117128), (220, 114466), (242, 104060), (344, 73205), (430, 58564), (440, 57233), (473, 53240), (484, 52030), (605, 41624), (860, 29282), (946, 26620), (968, 26015), (1210, 20812), (1331, 18920), (1720, 14641), (1892, 13310), (2365, 10648), (2420, 10406), (2662, 9460), (3784, 6655), (4730, 5324), (4840, 5203)]