1549520020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^2\times {\mathrm{6521}}^1$

素因数の和:6748

約数の個数: 36

約数和(自身を含む): 3284622684

約数和(自身を除く): 1735102664

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6521, 11881, 13042, 23762, 26084, 32605, 47524, 59405, 65210, 118810, 130420, 237620, 710789, 1421578, 2843156, 3553945, 7107890, 14215780, 77476001, 154952002, 309904004, 387380005, 774760010, 1549520020]

約数ペア:

[(1, 1549520020), (2, 774760010), (4, 387380005), (5, 309904004), (10, 154952002), (20, 77476001), (109, 14215780), (218, 7107890), (436, 3553945), (545, 2843156), (1090, 1421578), (2180, 710789), (6521, 237620), (11881, 130420), (13042, 118810), (23762, 65210), (26084, 59405), (32605, 47524)]