8104840

素因数分解:

$2^3\times 5^1\times {\mathrm{202621}}^1$

素因数の和:202632

約数の個数: 16

約数和(自身を含む): 18235980

約数和(自身を除く): 10131140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 202621, 405242, 810484, 1013105, 1620968, 2026210, 4052420, 8104840]

約数ペア:

[(1, 8104840), (2, 4052420), (4, 2026210), (5, 1620968), (8, 1013105), (10, 810484), (20, 405242), (40, 202621)]