39240880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 105707520

約数和(自身を除く): 66466640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 887, 1106, 1264, 1580, 1774, 2212, 2765, 3160, 3548, 4424, 4435, 5530, 6209, 6320, 7096, 8848, 8870, 11060, 12418, 14192, 17740, 22120, 24836, 31045, 35480, 44240, 49672, 62090, 70073, 70960, 99344, 124180, 140146, 248360, 280292, 350365, 490511, 496720, 560584, 700730, 981022, 1121168, 1401460, 1962044, 2452555, 2802920, 3924088, 4905110, 5605840, 7848176, 9810220, 19620440, 39240880]

約数ペア:

[(1, 39240880), (2, 19620440), (4, 9810220), (5, 7848176), (7, 5605840), (8, 4905110), (10, 3924088), (14, 2802920), (16, 2452555), (20, 1962044), (28, 1401460), (35, 1121168), (40, 981022), (56, 700730), (70, 560584), (79, 496720), (80, 490511), (112, 350365), (140, 280292), (158, 248360), (280, 140146), (316, 124180), (395, 99344), (553, 70960), (560, 70073), (632, 62090), (790, 49672), (887, 44240), (1106, 35480), (1264, 31045), (1580, 24836), (1774, 22120), (2212, 17740), (2765, 14192), (3160, 12418), (3548, 11060), (4424, 8870), (4435, 8848), (5530, 7096), (6209, 6320)]