129043400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{15737}}^1$

素因数の和:15794

約数の個数: 48

約数和(自身を含む): 307363140

約数和(自身を除く): 178319740

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, 15737, 31474, 62948, 78685, 125896, 157370, 314740, 393425, 629480, 645217, 786850, 1290434, 1573700, 2580868, 3147400, 3226085, 5161736, 6452170, 12904340, 16130425, 25808680, 32260850, 64521700, 129043400]

約数ペア:

[(1, 129043400), (2, 64521700), (4, 32260850), (5, 25808680), (8, 16130425), (10, 12904340), (20, 6452170), (25, 5161736), (40, 3226085), (41, 3147400), (50, 2580868), (82, 1573700), (100, 1290434), (164, 786850), (200, 645217), (205, 629480), (328, 393425), (410, 314740), (820, 157370), (1025, 125896), (1640, 78685), (2050, 62948), (4100, 31474), (8200, 15737)]