56921440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1231}}^1$

素因数の和:1280

約数の個数: 72

約数和(自身を含む): 142968672

約数和(自身を除く): 86047232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1231, 1360, 1445, 2312, 2462, 2720, 2890, 4624, 4924, 5780, 6155, 9248, 9848, 11560, 12310, 19696, 20927, 23120, 24620, 39392, 41854, 46240, 49240, 83708, 98480, 104635, 167416, 196960, 209270, 334832, 355759, 418540, 669664, 711518, 837080, 1423036, 1674160, 1778795, 2846072, 3348320, 3557590, 5692144, 7115180, 11384288, 14230360, 28460720, 56921440]

約数ペア:

[(1, 56921440), (2, 28460720), (4, 14230360), (5, 11384288), (8, 7115180), (10, 5692144), (16, 3557590), (17, 3348320), (20, 2846072), (32, 1778795), (34, 1674160), (40, 1423036), (68, 837080), (80, 711518), (85, 669664), (136, 418540), (160, 355759), (170, 334832), (272, 209270), (289, 196960), (340, 167416), (544, 104635), (578, 98480), (680, 83708), (1156, 49240), (1231, 46240), (1360, 41854), (1445, 39392), (2312, 24620), (2462, 23120), (2720, 20927), (2890, 19696), (4624, 12310), (4924, 11560), (5780, 9848), (6155, 9248)]