16040980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 35335440

約数和(自身を除く): 19294460

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 409, 530, 740, 818, 1060, 1636, 1961, 2045, 3922, 4090, 7844, 8180, 9805, 15133, 19610, 21677, 30266, 39220, 43354, 60532, 75665, 86708, 108385, 151330, 216770, 302660, 433540, 802049, 1604098, 3208196, 4010245, 8020490, 16040980]

約数ペア:

[(1, 16040980), (2, 8020490), (4, 4010245), (5, 3208196), (10, 1604098), (20, 802049), (37, 433540), (53, 302660), (74, 216770), (106, 151330), (148, 108385), (185, 86708), (212, 75665), (265, 60532), (370, 43354), (409, 39220), (530, 30266), (740, 21677), (818, 19610), (1060, 15133), (1636, 9805), (1961, 8180), (2045, 7844), (3922, 4090)]