248049680

素因数分解:

$2^4\times 5^1\times {\mathrm{3100621}}^1$

素因数の和:3100634

約数の個数: 20

約数和(自身を含む): 576715692

約数和(自身を除く): 328666012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3100621, 6201242, 12402484, 15503105, 24804968, 31006210, 49609936, 62012420, 124024840, 248049680]

約数ペア:

[(1, 248049680), (2, 124024840), (4, 62012420), (5, 49609936), (8, 31006210), (10, 24804968), (16, 15503105), (20, 12402484), (40, 6201242), (80, 3100621)]