87399760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156071}}^1$

素因数の和:156091

約数の個数: 40

約数和(自身を含む): 232235136

約数和(自身を除く): 144835376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156071, 312142, 624284, 780355, 1092497, 1248568, 1560710, 2184994, 2497136, 3121420, 4369988, 5462485, 6242840, 8739976, 10924970, 12485680, 17479952, 21849940, 43699880, 87399760]

約数ペア:

[(1, 87399760), (2, 43699880), (4, 21849940), (5, 17479952), (7, 12485680), (8, 10924970), (10, 8739976), (14, 6242840), (16, 5462485), (20, 4369988), (28, 3121420), (35, 2497136), (40, 2184994), (56, 1560710), (70, 1248568), (80, 1092497), (112, 780355), (140, 624284), (280, 312142), (560, 156071)]