79225520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 202406688

約数和(自身を除く): 123181168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 197, 220, 394, 440, 457, 788, 880, 914, 985, 1576, 1828, 1970, 2167, 2285, 3152, 3656, 3940, 4334, 4570, 5027, 7312, 7880, 8668, 9140, 10054, 10835, 15760, 17336, 18280, 20108, 21670, 25135, 34672, 36560, 40216, 43340, 50270, 80432, 86680, 90029, 100540, 173360, 180058, 201080, 360116, 402160, 450145, 720232, 900290, 990319, 1440464, 1800580, 1980638, 3601160, 3961276, 4951595, 7202320, 7922552, 9903190, 15845104, 19806380, 39612760, 79225520]

約数ペア:

[(1, 79225520), (2, 39612760), (4, 19806380), (5, 15845104), (8, 9903190), (10, 7922552), (11, 7202320), (16, 4951595), (20, 3961276), (22, 3601160), (40, 1980638), (44, 1800580), (55, 1440464), (80, 990319), (88, 900290), (110, 720232), (176, 450145), (197, 402160), (220, 360116), (394, 201080), (440, 180058), (457, 173360), (788, 100540), (880, 90029), (914, 86680), (985, 80432), (1576, 50270), (1828, 43340), (1970, 40216), (2167, 36560), (2285, 34672), (3152, 25135), (3656, 21670), (3940, 20108), (4334, 18280), (4570, 17336), (5027, 15760), (7312, 10835), (7880, 10054), (8668, 9140)]