80990848

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{20411}}^1$

素因数の和:20456

約数の個数: 32

約数和(自身を含む): 166561920

約数和(自身を除く): 85571072

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 20411, 40822, 81644, 163288, 326576, 632741, 653152, 1265482, 1306304, 2530964, 2612608, 5061928, 10123856, 20247712, 40495424, 80990848]

約数ペア:

[(1, 80990848), (2, 40495424), (4, 20247712), (8, 10123856), (16, 5061928), (31, 2612608), (32, 2530964), (62, 1306304), (64, 1265482), (124, 653152), (128, 632741), (248, 326576), (496, 163288), (992, 81644), (1984, 40822), (3968, 20411)]