21840160

素因数分解:

$2^5\times 5^1\times {\mathrm{136501}}^1$

素因数の和:136516

約数の個数: 24

約数和(自身を含む): 51597756

約数和(自身を除く): 29757596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136501, 273002, 546004, 682505, 1092008, 1365010, 2184016, 2730020, 4368032, 5460040, 10920080, 21840160]

約数ペア:

[(1, 21840160), (2, 10920080), (4, 5460040), (5, 4368032), (8, 2730020), (10, 2184016), (16, 1365010), (20, 1092008), (32, 682505), (40, 546004), (80, 273002), (160, 136501)]