38938520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23743}}^1$

素因数の和:23795

約数の個数: 32

約数和(自身を含む): 89752320

約数和(自身を除く): 50813800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 23743, 47486, 94972, 118715, 189944, 237430, 474860, 949720, 973463, 1946926, 3893852, 4867315, 7787704, 9734630, 19469260, 38938520]

約数ペア:

[(1, 38938520), (2, 19469260), (4, 9734630), (5, 7787704), (8, 4867315), (10, 3893852), (20, 1946926), (40, 973463), (41, 949720), (82, 474860), (164, 237430), (205, 189944), (328, 118715), (410, 94972), (820, 47486), (1640, 23743)]