8919320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7193}}^1$

素因数の和:7235

約数の個数: 32

約数和(自身を含む): 20718720

約数和(自身を除く): 11799400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 7193, 14386, 28772, 35965, 57544, 71930, 143860, 222983, 287720, 445966, 891932, 1114915, 1783864, 2229830, 4459660, 8919320]

約数ペア:

[(1, 8919320), (2, 4459660), (4, 2229830), (5, 1783864), (8, 1114915), (10, 891932), (20, 445966), (31, 287720), (40, 222983), (62, 143860), (124, 71930), (155, 57544), (248, 35965), (310, 28772), (620, 14386), (1240, 7193)]