80948360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2477}}^1$

素因数の和:2550

約数の個数: 64

約数和(自身を含む): 196257600

約数和(自身を除く): 115309240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2477, 3268, 4085, 4954, 6536, 8170, 9908, 12385, 16340, 19816, 24770, 32680, 47063, 49540, 94126, 99080, 106511, 188252, 213022, 235315, 376504, 426044, 470630, 532555, 852088, 941260, 1065110, 1882520, 2023709, 2130220, 4047418, 4260440, 8094836, 10118545, 16189672, 20237090, 40474180, 80948360]

約数ペア:

[(1, 80948360), (2, 40474180), (4, 20237090), (5, 16189672), (8, 10118545), (10, 8094836), (19, 4260440), (20, 4047418), (38, 2130220), (40, 2023709), (43, 1882520), (76, 1065110), (86, 941260), (95, 852088), (152, 532555), (172, 470630), (190, 426044), (215, 376504), (344, 235315), (380, 213022), (430, 188252), (760, 106511), (817, 99080), (860, 94126), (1634, 49540), (1720, 47063), (2477, 32680), (3268, 24770), (4085, 19816), (4954, 16340), (6536, 12385), (8170, 9908)]