80552560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 205701120

約数和(自身を除く): 125148560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 239, 383, 440, 478, 766, 880, 956, 1195, 1532, 1912, 1915, 2390, 2629, 3064, 3824, 3830, 4213, 4780, 5258, 6128, 7660, 8426, 9560, 10516, 13145, 15320, 16852, 19120, 21032, 21065, 26290, 30640, 33704, 42064, 42130, 52580, 67408, 84260, 91537, 105160, 168520, 183074, 210320, 337040, 366148, 457685, 732296, 915370, 1006907, 1464592, 1830740, 2013814, 3661480, 4027628, 5034535, 7322960, 8055256, 10069070, 16110512, 20138140, 40276280, 80552560]

約数ペア:

[(1, 80552560), (2, 40276280), (4, 20138140), (5, 16110512), (8, 10069070), (10, 8055256), (11, 7322960), (16, 5034535), (20, 4027628), (22, 3661480), (40, 2013814), (44, 1830740), (55, 1464592), (80, 1006907), (88, 915370), (110, 732296), (176, 457685), (220, 366148), (239, 337040), (383, 210320), (440, 183074), (478, 168520), (766, 105160), (880, 91537), (956, 84260), (1195, 67408), (1532, 52580), (1912, 42130), (1915, 42064), (2390, 33704), (2629, 30640), (3064, 26290), (3824, 21065), (3830, 21032), (4213, 19120), (4780, 16852), (5258, 15320), (6128, 13145), (7660, 10516), (8426, 9560)]