131775760

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{7193}}^1$

素因数の和:7435

約数の個数: 40

約数和(自身を含む): 307759320

約数和(自身を除く): 175983560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 7193, 9160, 14386, 18320, 28772, 35965, 57544, 71930, 115088, 143860, 287720, 575440, 1647197, 3294394, 6588788, 8235985, 13177576, 16471970, 26355152, 32943940, 65887880, 131775760]

約数ペア:

[(1, 131775760), (2, 65887880), (4, 32943940), (5, 26355152), (8, 16471970), (10, 13177576), (16, 8235985), (20, 6588788), (40, 3294394), (80, 1647197), (229, 575440), (458, 287720), (916, 143860), (1145, 115088), (1832, 71930), (2290, 57544), (3664, 35965), (4580, 28772), (7193, 18320), (9160, 14386)]