16205260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 19417460

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 359, 370, 610, 718, 740, 1220, 1436, 1795, 2257, 3590, 4514, 7180, 9028, 11285, 13283, 21899, 22570, 26566, 43798, 45140, 53132, 66415, 87596, 109495, 132830, 218990, 265660, 437980, 810263, 1620526, 3241052, 4051315, 8102630, 16205260]

約数ペア:

[(1, 16205260), (2, 8102630), (4, 4051315), (5, 3241052), (10, 1620526), (20, 810263), (37, 437980), (61, 265660), (74, 218990), (122, 132830), (148, 109495), (185, 87596), (244, 66415), (305, 53132), (359, 45140), (370, 43798), (610, 26566), (718, 22570), (740, 21899), (1220, 13283), (1436, 11285), (1795, 9028), (2257, 7180), (3590, 4514)]