99895960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15907}}^1$

素因数の和:16075

約数の個数: 32

約数和(自身を含む): 226211760

約数和(自身を除く): 126315800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 15907, 31814, 63628, 79535, 127256, 159070, 318140, 636280, 2497399, 4994798, 9989596, 12486995, 19979192, 24973990, 49947980, 99895960]

約数ペア:

[(1, 99895960), (2, 49947980), (4, 24973990), (5, 19979192), (8, 12486995), (10, 9989596), (20, 4994798), (40, 2497399), (157, 636280), (314, 318140), (628, 159070), (785, 127256), (1256, 79535), (1570, 63628), (3140, 31814), (6280, 15907)]