7326920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1621}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 16641720

約数和(自身を除く): 9314800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 1621, 2260, 3242, 4520, 6484, 8105, 12968, 16210, 32420, 64840, 183173, 366346, 732692, 915865, 1465384, 1831730, 3663460, 7326920]

約数ペア:

[(1, 7326920), (2, 3663460), (4, 1831730), (5, 1465384), (8, 915865), (10, 732692), (20, 366346), (40, 183173), (113, 64840), (226, 32420), (452, 16210), (565, 12968), (904, 8105), (1130, 6484), (1621, 4520), (2260, 3242)]