78661480

素因数分解:

$2^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{4211}}^1$

素因数の和:4689

約数の個数: 32

約数和(自身を含む): 177409440

約数和(自身を除く): 98747960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 467, 934, 1868, 2335, 3736, 4211, 4670, 8422, 9340, 16844, 18680, 21055, 33688, 42110, 84220, 168440, 1966537, 3933074, 7866148, 9832685, 15732296, 19665370, 39330740, 78661480]

約数ペア:

[(1, 78661480), (2, 39330740), (4, 19665370), (5, 15732296), (8, 9832685), (10, 7866148), (20, 3933074), (40, 1966537), (467, 168440), (934, 84220), (1868, 42110), (2335, 33688), (3736, 21055), (4211, 18680), (4670, 16844), (8422, 9340)]