25588420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 40455740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 220, 230, 253, 260, 286, 299, 389, 460, 506, 572, 598, 715, 778, 1012, 1196, 1265, 1430, 1495, 1556, 1945, 2530, 2860, 2990, 3289, 3890, 4279, 5057, 5060, 5980, 6578, 7780, 8558, 8947, 10114, 13156, 16445, 17116, 17894, 20228, 21395, 25285, 32890, 35788, 42790, 44735, 50570, 55627, 65780, 85580, 89470, 98417, 101140, 111254, 116311, 178940, 196834, 222508, 232622, 278135, 393668, 465244, 492085, 556270, 581555, 984170, 1112540, 1163110, 1279421, 1968340, 2326220, 2558842, 5117684, 6397105, 12794210, 25588420]

約数ペア:

[(1, 25588420), (2, 12794210), (4, 6397105), (5, 5117684), (10, 2558842), (11, 2326220), (13, 1968340), (20, 1279421), (22, 1163110), (23, 1112540), (26, 984170), (44, 581555), (46, 556270), (52, 492085), (55, 465244), (65, 393668), (92, 278135), (110, 232622), (115, 222508), (130, 196834), (143, 178940), (220, 116311), (230, 111254), (253, 101140), (260, 98417), (286, 89470), (299, 85580), (389, 65780), (460, 55627), (506, 50570), (572, 44735), (598, 42790), (715, 35788), (778, 32890), (1012, 25285), (1196, 21395), (1265, 20228), (1430, 17894), (1495, 17116), (1556, 16445), (1945, 13156), (2530, 10114), (2860, 8947), (2990, 8558), (3289, 7780), (3890, 6578), (4279, 5980), (5057, 5060)]