64960240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42737}}^1$

素因数の和:42769

約数の個数: 40

約数和(自身を含む): 158985360

約数和(自身を除く): 94025120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 42737, 85474, 170948, 213685, 341896, 427370, 683792, 812003, 854740, 1624006, 1709480, 3248012, 3418960, 4060015, 6496024, 8120030, 12992048, 16240060, 32480120, 64960240]

約数ペア:

[(1, 64960240), (2, 32480120), (4, 16240060), (5, 12992048), (8, 8120030), (10, 6496024), (16, 4060015), (19, 3418960), (20, 3248012), (38, 1709480), (40, 1624006), (76, 854740), (80, 812003), (95, 683792), (152, 427370), (190, 341896), (304, 213685), (380, 170948), (760, 85474), (1520, 42737)]