66947440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{119549}}^1$

素因数の和:119569

約数の個数: 40

約数和(自身を含む): 177890400

約数和(自身を除く): 110942960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 119549, 239098, 478196, 597745, 836843, 956392, 1195490, 1673686, 1912784, 2390980, 3347372, 4184215, 4781960, 6694744, 8368430, 9563920, 13389488, 16736860, 33473720, 66947440]

約数ペア:

[(1, 66947440), (2, 33473720), (4, 16736860), (5, 13389488), (7, 9563920), (8, 8368430), (10, 6694744), (14, 4781960), (16, 4184215), (20, 3347372), (28, 2390980), (35, 1912784), (40, 1673686), (56, 1195490), (70, 956392), (80, 836843), (112, 597745), (140, 478196), (280, 239098), (560, 119549)]