8587720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 20859120

約数和(自身を除く): 12271400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 173, 292, 340, 346, 365, 584, 680, 692, 730, 865, 1241, 1384, 1460, 1730, 2482, 2920, 2941, 3460, 4964, 5882, 6205, 6920, 9928, 11764, 12410, 12629, 14705, 23528, 24820, 25258, 29410, 49640, 50516, 58820, 63145, 101032, 117640, 126290, 214693, 252580, 429386, 505160, 858772, 1073465, 1717544, 2146930, 4293860, 8587720]

約数ペア:

[(1, 8587720), (2, 4293860), (4, 2146930), (5, 1717544), (8, 1073465), (10, 858772), (17, 505160), (20, 429386), (34, 252580), (40, 214693), (68, 126290), (73, 117640), (85, 101032), (136, 63145), (146, 58820), (170, 50516), (173, 49640), (292, 29410), (340, 25258), (346, 24820), (365, 23528), (584, 14705), (680, 12629), (692, 12410), (730, 11764), (865, 9928), (1241, 6920), (1384, 6205), (1460, 5882), (1730, 4964), (2482, 3460), (2920, 2941)]