87999520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{78571}}^1$

素因数の和:78593

約数の個数: 48

約数和(自身を含む): 237601728

約数和(自身を除く): 149602208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 78571, 157142, 314284, 392855, 549997, 628568, 785710, 1099994, 1257136, 1571420, 2199988, 2514272, 2749985, 3142840, 4399976, 5499970, 6285680, 8799952, 10999940, 12571360, 17599904, 21999880, 43999760, 87999520]

約数ペア:

[(1, 87999520), (2, 43999760), (4, 21999880), (5, 17599904), (7, 12571360), (8, 10999940), (10, 8799952), (14, 6285680), (16, 5499970), (20, 4399976), (28, 3142840), (32, 2749985), (35, 2514272), (40, 2199988), (56, 1571420), (70, 1257136), (80, 1099994), (112, 785710), (140, 628568), (160, 549997), (224, 392855), (280, 314284), (560, 157142), (1120, 78571)]