17721280

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:797

約数の個数: 56

約数和(自身を含む): 42793920

約数和(自身を除く): 25072640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 701, 790, 1264, 1402, 1580, 2528, 2804, 3160, 3505, 5056, 5608, 6320, 7010, 11216, 12640, 14020, 22432, 25280, 28040, 44864, 55379, 56080, 110758, 112160, 221516, 224320, 276895, 443032, 553790, 886064, 1107580, 1772128, 2215160, 3544256, 4430320, 8860640, 17721280]

約数ペア:

[(1, 17721280), (2, 8860640), (4, 4430320), (5, 3544256), (8, 2215160), (10, 1772128), (16, 1107580), (20, 886064), (32, 553790), (40, 443032), (64, 276895), (79, 224320), (80, 221516), (158, 112160), (160, 110758), (316, 56080), (320, 55379), (395, 44864), (632, 28040), (701, 25280), (790, 22432), (1264, 14020), (1402, 12640), (1580, 11216), (2528, 7010), (2804, 6320), (3160, 5608), (3505, 5056)]