121230920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{26821}}^1$

素因数の和:26945

約数の個数: 32

約数和(自身を含む): 275193720

約数和(自身を除く): 153962800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 26821, 53642, 107284, 134105, 214568, 268210, 536420, 1072840, 3030773, 6061546, 12123092, 15153865, 24246184, 30307730, 60615460, 121230920]

約数ペア:

[(1, 121230920), (2, 60615460), (4, 30307730), (5, 24246184), (8, 15153865), (10, 12123092), (20, 6061546), (40, 3030773), (113, 1072840), (226, 536420), (452, 268210), (565, 214568), (904, 134105), (1130, 107284), (2260, 53642), (4520, 26821)]