80290816

素因数分解:

$2^{10}\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:990

約数の個数: 44

約数和(自身を含む): 162490860

約数和(自身を除く): 82200044

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 512, 712, 881, 1024, 1424, 1762, 2848, 3524, 5696, 7048, 11392, 14096, 22784, 28192, 45568, 56384, 78409, 91136, 112768, 156818, 225536, 313636, 451072, 627272, 902144, 1254544, 2509088, 5018176, 10036352, 20072704, 40145408, 80290816]

約数ペア:

[(1, 80290816), (2, 40145408), (4, 20072704), (8, 10036352), (16, 5018176), (32, 2509088), (64, 1254544), (89, 902144), (128, 627272), (178, 451072), (256, 313636), (356, 225536), (512, 156818), (712, 112768), (881, 91136), (1024, 78409), (1424, 56384), (1762, 45568), (2848, 28192), (3524, 22784), (5696, 14096), (7048, 11392)]