9198760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 21772800

約数和(自身を除く): 12574040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 79, 82, 142, 158, 164, 205, 284, 316, 328, 355, 395, 410, 568, 632, 710, 790, 820, 1420, 1580, 1640, 2840, 2911, 3160, 3239, 5609, 5822, 6478, 11218, 11644, 12956, 14555, 16195, 22436, 23288, 25912, 28045, 29110, 32390, 44872, 56090, 58220, 64780, 112180, 116440, 129560, 224360, 229969, 459938, 919876, 1149845, 1839752, 2299690, 4599380, 9198760]

約数ペア:

[(1, 9198760), (2, 4599380), (4, 2299690), (5, 1839752), (8, 1149845), (10, 919876), (20, 459938), (40, 229969), (41, 224360), (71, 129560), (79, 116440), (82, 112180), (142, 64780), (158, 58220), (164, 56090), (205, 44872), (284, 32390), (316, 29110), (328, 28045), (355, 25912), (395, 23288), (410, 22436), (568, 16195), (632, 14555), (710, 12956), (790, 11644), (820, 11218), (1420, 6478), (1580, 5822), (1640, 5609), (2840, 3239), (2911, 3160)]