172824440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{22621}}^1$

素因数の和:22823

約数の個数: 32

約数和(自身を含む): 390908160

約数和(自身を除く): 218083720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 22621, 45242, 90484, 113105, 180968, 226210, 452420, 904840, 4320611, 8641222, 17282444, 21603055, 34564888, 43206110, 86412220, 172824440]

約数ペア:

[(1, 172824440), (2, 86412220), (4, 43206110), (5, 34564888), (8, 21603055), (10, 17282444), (20, 8641222), (40, 4320611), (191, 904840), (382, 452420), (764, 226210), (955, 180968), (1528, 113105), (1910, 90484), (3820, 45242), (7640, 22621)]