40438270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 76970880

約数和(自身を除く): 36532610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 331, 643, 662, 1286, 1655, 3215, 3310, 6289, 6430, 12217, 12578, 24434, 31445, 61085, 62890, 122170, 212833, 425666, 1064165, 2128330, 4043827, 8087654, 20219135, 40438270]

約数ペア:

[(1, 40438270), (2, 20219135), (5, 8087654), (10, 4043827), (19, 2128330), (38, 1064165), (95, 425666), (190, 212833), (331, 122170), (643, 62890), (662, 61085), (1286, 31445), (1655, 24434), (3215, 12578), (3310, 12217), (6289, 6430)]