87387400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10657}}^1$

素因数の和:10714

約数の個数: 48

約数和(自身を含む): 208150740

約数和(自身を除く): 120763340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 10657, 21314, 42628, 53285, 85256, 106570, 213140, 266425, 426280, 436937, 532850, 873874, 1065700, 1747748, 2131400, 2184685, 3495496, 4369370, 8738740, 10923425, 17477480, 21846850, 43693700, 87387400]

約数ペア:

[(1, 87387400), (2, 43693700), (4, 21846850), (5, 17477480), (8, 10923425), (10, 8738740), (20, 4369370), (25, 3495496), (40, 2184685), (41, 2131400), (50, 1747748), (82, 1065700), (100, 873874), (164, 532850), (200, 436937), (205, 426280), (328, 266425), (410, 213140), (820, 106570), (1025, 85256), (1640, 53285), (2050, 42628), (4100, 21314), (8200, 10657)]