25387990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2843}}^1$

素因数の和:2916

約数の個数: 32

約数和(自身を含む): 49144320

約数和(自身を除く): 23756330

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2843, 4465, 5686, 8930, 14215, 28430, 54017, 108034, 133621, 267242, 270085, 540170, 668105, 1336210, 2538799, 5077598, 12693995, 25387990]

約数ペア:

[(1, 25387990), (2, 12693995), (5, 5077598), (10, 2538799), (19, 1336210), (38, 668105), (47, 540170), (94, 270085), (95, 267242), (190, 133621), (235, 108034), (470, 54017), (893, 28430), (1786, 14215), (2843, 8930), (4465, 5686)]