18578080

素因数分解:

$2^5\times 5^1\times {\mathrm{116113}}^1$

素因数の和:116128

約数の個数: 24

約数和(自身を含む): 43891092

約数和(自身を除く): 25313012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 116113, 232226, 464452, 580565, 928904, 1161130, 1857808, 2322260, 3715616, 4644520, 9289040, 18578080]

約数ペア:

[(1, 18578080), (2, 9289040), (4, 4644520), (5, 3715616), (8, 2322260), (10, 1857808), (16, 1161130), (20, 928904), (32, 580565), (40, 464452), (80, 232226), (160, 116113)]