31532720

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 73547376

約数和(自身を除く): 42014656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 643, 1226, 1286, 2452, 2572, 3065, 3215, 4904, 5144, 6130, 6430, 9808, 10288, 12260, 12860, 24520, 25720, 49040, 51440, 394159, 788318, 1576636, 1970795, 3153272, 3941590, 6306544, 7883180, 15766360, 31532720]

約数ペア:

[(1, 31532720), (2, 15766360), (4, 7883180), (5, 6306544), (8, 3941590), (10, 3153272), (16, 1970795), (20, 1576636), (40, 788318), (80, 394159), (613, 51440), (643, 49040), (1226, 25720), (1286, 24520), (2452, 12860), (2572, 12260), (3065, 10288), (3215, 9808), (4904, 6430), (5144, 6130)]