78163520

素因数分解:

$2^6\times 5^1\times {\mathrm{244261}}^1$

素因数の和:244278

約数の個数: 28

約数和(自身を含む): 186127644

約数和(自身を除く): 107964124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 244261, 488522, 977044, 1221305, 1954088, 2442610, 3908176, 4885220, 7816352, 9770440, 15632704, 19540880, 39081760, 78163520]

約数ペア:

[(1, 78163520), (2, 39081760), (4, 19540880), (5, 15632704), (8, 9770440), (10, 7816352), (16, 4885220), (20, 3908176), (32, 2442610), (40, 1954088), (64, 1221305), (80, 977044), (160, 488522), (320, 244261)]