31900520

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1301}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 71948520

約数和(自身を除く): 40048000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 1301, 2452, 2602, 3065, 4904, 5204, 6130, 6505, 10408, 12260, 13010, 24520, 26020, 52040, 797513, 1595026, 3190052, 3987565, 6380104, 7975130, 15950260, 31900520]

約数ペア:

[(1, 31900520), (2, 15950260), (4, 7975130), (5, 6380104), (8, 3987565), (10, 3190052), (20, 1595026), (40, 797513), (613, 52040), (1226, 26020), (1301, 24520), (2452, 13010), (2602, 12260), (3065, 10408), (4904, 6505), (5204, 6130)]