8139260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 18615744

約数和(自身を除く): 10476484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 647, 740, 1258, 1294, 2516, 2588, 3145, 3235, 6290, 6470, 10999, 12580, 12940, 21998, 23939, 43996, 47878, 54995, 95756, 109990, 119695, 219980, 239390, 406963, 478780, 813926, 1627852, 2034815, 4069630, 8139260]

約数ペア:

[(1, 8139260), (2, 4069630), (4, 2034815), (5, 1627852), (10, 813926), (17, 478780), (20, 406963), (34, 239390), (37, 219980), (68, 119695), (74, 109990), (85, 95756), (148, 54995), (170, 47878), (185, 43996), (340, 23939), (370, 21998), (629, 12940), (647, 12580), (740, 10999), (1258, 6470), (1294, 6290), (2516, 3235), (2588, 3145)]