12987040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 34401024

約数和(自身を除く): 21413984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 157, 160, 176, 188, 220, 235, 314, 352, 376, 440, 470, 517, 628, 752, 785, 880, 940, 1034, 1256, 1504, 1570, 1727, 1760, 1880, 2068, 2512, 2585, 3140, 3454, 3760, 4136, 5024, 5170, 6280, 6908, 7379, 7520, 8272, 8635, 10340, 12560, 13816, 14758, 16544, 17270, 20680, 25120, 27632, 29516, 34540, 36895, 41360, 55264, 59032, 69080, 73790, 81169, 82720, 118064, 138160, 147580, 162338, 236128, 276320, 295160, 324676, 405845, 590320, 649352, 811690, 1180640, 1298704, 1623380, 2597408, 3246760, 6493520, 12987040]

約数ペア:

[(1, 12987040), (2, 6493520), (4, 3246760), (5, 2597408), (8, 1623380), (10, 1298704), (11, 1180640), (16, 811690), (20, 649352), (22, 590320), (32, 405845), (40, 324676), (44, 295160), (47, 276320), (55, 236128), (80, 162338), (88, 147580), (94, 138160), (110, 118064), (157, 82720), (160, 81169), (176, 73790), (188, 69080), (220, 59032), (235, 55264), (314, 41360), (352, 36895), (376, 34540), (440, 29516), (470, 27632), (517, 25120), (628, 20680), (752, 17270), (785, 16544), (880, 14758), (940, 13816), (1034, 12560), (1256, 10340), (1504, 8635), (1570, 8272), (1727, 7520), (1760, 7379), (1880, 6908), (2068, 6280), (2512, 5170), (2585, 5024), (3140, 4136), (3454, 3760)]