155907040

素因数分解:

$2^5\times 5^1\times {\mathrm{974419}}^1$

素因数の和:974434

約数の個数: 24

約数和(自身を含む): 368330760

約数和(自身を除く): 212423720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 974419, 1948838, 3897676, 4872095, 7795352, 9744190, 15590704, 19488380, 31181408, 38976760, 77953520, 155907040]

約数ペア:

[(1, 155907040), (2, 77953520), (4, 38976760), (5, 31181408), (8, 19488380), (10, 15590704), (16, 9744190), (20, 7795352), (32, 4872095), (40, 3897676), (80, 1948838), (160, 974419)]