12985520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 32060448

約数和(自身を除く): 19074928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 74, 80, 82, 107, 148, 164, 185, 205, 214, 296, 328, 370, 410, 428, 535, 592, 656, 740, 820, 856, 1070, 1480, 1517, 1640, 1712, 2140, 2960, 3034, 3280, 3959, 4280, 4387, 6068, 7585, 7918, 8560, 8774, 12136, 15170, 15836, 17548, 19795, 21935, 24272, 30340, 31672, 35096, 39590, 43870, 60680, 63344, 70192, 79180, 87740, 121360, 158360, 162319, 175480, 316720, 324638, 350960, 649276, 811595, 1298552, 1623190, 2597104, 3246380, 6492760, 12985520]

約数ペア:

[(1, 12985520), (2, 6492760), (4, 3246380), (5, 2597104), (8, 1623190), (10, 1298552), (16, 811595), (20, 649276), (37, 350960), (40, 324638), (41, 316720), (74, 175480), (80, 162319), (82, 158360), (107, 121360), (148, 87740), (164, 79180), (185, 70192), (205, 63344), (214, 60680), (296, 43870), (328, 39590), (370, 35096), (410, 31672), (428, 30340), (535, 24272), (592, 21935), (656, 19795), (740, 17548), (820, 15836), (856, 15170), (1070, 12136), (1480, 8774), (1517, 8560), (1640, 7918), (1712, 7585), (2140, 6068), (2960, 4387), (3034, 4280), (3280, 3959)]