61397920

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2801}}^1$

素因数の和:2953

約数の個数: 48

約数和(自身を含む): 146163528

約数和(自身を除く): 84765608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 2801, 4384, 5480, 5602, 10960, 11204, 14005, 21920, 22408, 28010, 44816, 56020, 89632, 112040, 224080, 383737, 448160, 767474, 1534948, 1918685, 3069896, 3837370, 6139792, 7674740, 12279584, 15349480, 30698960, 61397920]

約数ペア:

[(1, 61397920), (2, 30698960), (4, 15349480), (5, 12279584), (8, 7674740), (10, 6139792), (16, 3837370), (20, 3069896), (32, 1918685), (40, 1534948), (80, 767474), (137, 448160), (160, 383737), (274, 224080), (548, 112040), (685, 89632), (1096, 56020), (1370, 44816), (2192, 28010), (2740, 22408), (2801, 21920), (4384, 14005), (5480, 11204), (5602, 10960)]