16729040

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2647}}^1$

素因数の和:2739

約数の個数: 40

約数和(自身を含む): 39402240

約数和(自身を除く): 22673200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2647, 3160, 5294, 6320, 10588, 13235, 21176, 26470, 42352, 52940, 105880, 209113, 211760, 418226, 836452, 1045565, 1672904, 2091130, 3345808, 4182260, 8364520, 16729040]

約数ペア:

[(1, 16729040), (2, 8364520), (4, 4182260), (5, 3345808), (8, 2091130), (10, 1672904), (16, 1045565), (20, 836452), (40, 418226), (79, 211760), (80, 209113), (158, 105880), (316, 52940), (395, 42352), (632, 26470), (790, 21176), (1264, 13235), (1580, 10588), (2647, 6320), (3160, 5294)]