12749320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18749}}^1$

素因数の和:18777

約数の個数: 32

約数和(自身を含む): 30375000

約数和(自身を除く): 17625680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18749, 37498, 74996, 93745, 149992, 187490, 318733, 374980, 637466, 749960, 1274932, 1593665, 2549864, 3187330, 6374660, 12749320]

約数ペア:

[(1, 12749320), (2, 6374660), (4, 3187330), (5, 2549864), (8, 1593665), (10, 1274932), (17, 749960), (20, 637466), (34, 374980), (40, 318733), (68, 187490), (85, 149992), (136, 93745), (170, 74996), (340, 37498), (680, 18749)]