42646040

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3221}}^1$

素因数の和:3563

約数の個数: 32

約数和(自身を含む): 96273360

約数和(自身を除く): 53627320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3221, 3310, 6442, 6620, 12884, 13240, 16105, 25768, 32210, 64420, 128840, 1066151, 2132302, 4264604, 5330755, 8529208, 10661510, 21323020, 42646040]

約数ペア:

[(1, 42646040), (2, 21323020), (4, 10661510), (5, 8529208), (8, 5330755), (10, 4264604), (20, 2132302), (40, 1066151), (331, 128840), (662, 64420), (1324, 32210), (1655, 25768), (2648, 16105), (3221, 13240), (3310, 12884), (6442, 6620)]