25661680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{241}}^1$

素因数の和:287

約数の個数: 80

約数和(自身を含む): 65897568

約数和(自身を除く): 40235888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 241, 242, 440, 482, 484, 605, 880, 964, 968, 1205, 1210, 1331, 1928, 1936, 2410, 2420, 2651, 2662, 3856, 4820, 4840, 5302, 5324, 6655, 9640, 9680, 10604, 10648, 13255, 13310, 19280, 21208, 21296, 26510, 26620, 29161, 42416, 53020, 53240, 58322, 106040, 106480, 116644, 145805, 212080, 233288, 291610, 320771, 466576, 583220, 641542, 1166440, 1283084, 1603855, 2332880, 2566168, 3207710, 5132336, 6415420, 12830840, 25661680]

約数ペア:

[(1, 25661680), (2, 12830840), (4, 6415420), (5, 5132336), (8, 3207710), (10, 2566168), (11, 2332880), (16, 1603855), (20, 1283084), (22, 1166440), (40, 641542), (44, 583220), (55, 466576), (80, 320771), (88, 291610), (110, 233288), (121, 212080), (176, 145805), (220, 116644), (241, 106480), (242, 106040), (440, 58322), (482, 53240), (484, 53020), (605, 42416), (880, 29161), (964, 26620), (968, 26510), (1205, 21296), (1210, 21208), (1331, 19280), (1928, 13310), (1936, 13255), (2410, 10648), (2420, 10604), (2651, 9680), (2662, 9640), (3856, 6655), (4820, 5324), (4840, 5302)]