80945432

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 162980160

約数和(自身を除く): 82034728

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 223, 289, 314, 446, 578, 628, 892, 1156, 1256, 1784, 2312, 2669, 3791, 5338, 7582, 10676, 15164, 21352, 30328, 35011, 45373, 64447, 70022, 90746, 128894, 140044, 181492, 257788, 280088, 362984, 515576, 595187, 1190374, 2380748, 4761496, 10118179, 20236358, 40472716, 80945432]

約数ペア:

[(1, 80945432), (2, 40472716), (4, 20236358), (8, 10118179), (17, 4761496), (34, 2380748), (68, 1190374), (136, 595187), (157, 515576), (223, 362984), (289, 280088), (314, 257788), (446, 181492), (578, 140044), (628, 128894), (892, 90746), (1156, 70022), (1256, 64447), (1784, 45373), (2312, 35011), (2669, 30328), (3791, 21352), (5338, 15164), (7582, 10676)]