80918560

素因数分解:

$2^5\times 5^1\times {\mathrm{523}}^1\times {\mathrm{967}}^1$

素因数の和:1505

約数の個数: 48

約数和(自身を含む): 191733696

約数和(自身を除く): 110815136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 523, 967, 1046, 1934, 2092, 2615, 3868, 4184, 4835, 5230, 7736, 8368, 9670, 10460, 15472, 16736, 19340, 20920, 30944, 38680, 41840, 77360, 83680, 154720, 505741, 1011482, 2022964, 2528705, 4045928, 5057410, 8091856, 10114820, 16183712, 20229640, 40459280, 80918560]

約数ペア:

[(1, 80918560), (2, 40459280), (4, 20229640), (5, 16183712), (8, 10114820), (10, 8091856), (16, 5057410), (20, 4045928), (32, 2528705), (40, 2022964), (80, 1011482), (160, 505741), (523, 154720), (967, 83680), (1046, 77360), (1934, 41840), (2092, 38680), (2615, 30944), (3868, 20920), (4184, 19340), (4835, 16736), (5230, 15472), (7736, 10460), (8368, 9670)]