39722440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 93486960

約数和(自身を除く): 53764520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 457, 530, 820, 914, 1060, 1640, 1828, 2120, 2173, 2285, 3656, 4346, 4570, 8692, 9140, 10865, 17384, 18280, 18737, 21730, 24221, 37474, 43460, 48442, 74948, 86920, 93685, 96884, 121105, 149896, 187370, 193768, 242210, 374740, 484420, 749480, 968840, 993061, 1986122, 3972244, 4965305, 7944488, 9930610, 19861220, 39722440]

約数ペア:

[(1, 39722440), (2, 19861220), (4, 9930610), (5, 7944488), (8, 4965305), (10, 3972244), (20, 1986122), (40, 993061), (41, 968840), (53, 749480), (82, 484420), (106, 374740), (164, 242210), (205, 193768), (212, 187370), (265, 149896), (328, 121105), (410, 96884), (424, 93685), (457, 86920), (530, 74948), (820, 48442), (914, 43460), (1060, 37474), (1640, 24221), (1828, 21730), (2120, 18737), (2173, 18280), (2285, 17384), (3656, 10865), (4346, 9140), (4570, 8692)]