65504080

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4903}}^1$

素因数の和:5083

約数の個数: 40

約数和(自身を含む): 153240192

約数和(自身を除く): 87736112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 4903, 6680, 9806, 13360, 19612, 24515, 39224, 49030, 78448, 98060, 196120, 392240, 818801, 1637602, 3275204, 4094005, 6550408, 8188010, 13100816, 16376020, 32752040, 65504080]

約数ペア:

[(1, 65504080), (2, 32752040), (4, 16376020), (5, 13100816), (8, 8188010), (10, 6550408), (16, 4094005), (20, 3275204), (40, 1637602), (80, 818801), (167, 392240), (334, 196120), (668, 98060), (835, 78448), (1336, 49030), (1670, 39224), (2672, 24515), (3340, 19612), (4903, 13360), (6680, 9806)]