87111760

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1907}}^1$

素因数の和:2491

約数の個数: 40

約数和(自身を含む): 202995936

約数和(自身を除く): 115884176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 1907, 2284, 2855, 3814, 4568, 5710, 7628, 9136, 9535, 11420, 15256, 19070, 22840, 30512, 38140, 45680, 76280, 152560, 1088897, 2177794, 4355588, 5444485, 8711176, 10888970, 17422352, 21777940, 43555880, 87111760]

約数ペア:

[(1, 87111760), (2, 43555880), (4, 21777940), (5, 17422352), (8, 10888970), (10, 8711176), (16, 5444485), (20, 4355588), (40, 2177794), (80, 1088897), (571, 152560), (1142, 76280), (1907, 45680), (2284, 38140), (2855, 30512), (3814, 22840), (4568, 19070), (5710, 15256), (7628, 11420), (9136, 9535)]