168509920

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12689}}^1$

素因数の和:12787

約数の個数: 48

約数和(自身を含む): 402932880

約数和(自身を除く): 234422960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 12689, 13280, 25378, 50756, 63445, 101512, 126890, 203024, 253780, 406048, 507560, 1015120, 1053187, 2030240, 2106374, 4212748, 5265935, 8425496, 10531870, 16850992, 21063740, 33701984, 42127480, 84254960, 168509920]

約数ペア:

[(1, 168509920), (2, 84254960), (4, 42127480), (5, 33701984), (8, 21063740), (10, 16850992), (16, 10531870), (20, 8425496), (32, 5265935), (40, 4212748), (80, 2106374), (83, 2030240), (160, 1053187), (166, 1015120), (332, 507560), (415, 406048), (664, 253780), (830, 203024), (1328, 126890), (1660, 101512), (2656, 63445), (3320, 50756), (6640, 25378), (12689, 13280)]