66612640

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1583}}^1$

素因数の和:1861

約数の個数: 48

約数和(自身を含む): 158070528

約数和(自身を除く): 91457888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 526, 1052, 1315, 1583, 2104, 2630, 3166, 4208, 5260, 6332, 7915, 8416, 10520, 12664, 15830, 21040, 25328, 31660, 42080, 50656, 63320, 126640, 253280, 416329, 832658, 1665316, 2081645, 3330632, 4163290, 6661264, 8326580, 13322528, 16653160, 33306320, 66612640]

約数ペア:

[(1, 66612640), (2, 33306320), (4, 16653160), (5, 13322528), (8, 8326580), (10, 6661264), (16, 4163290), (20, 3330632), (32, 2081645), (40, 1665316), (80, 832658), (160, 416329), (263, 253280), (526, 126640), (1052, 63320), (1315, 50656), (1583, 42080), (2104, 31660), (2630, 25328), (3166, 21040), (4208, 15830), (5260, 12664), (6332, 10520), (7915, 8416)]