31272520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45989}}^1$

素因数の和:46017

約数の個数: 32

約数和(自身を含む): 74503800

約数和(自身を除く): 43231280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 45989, 91978, 183956, 229945, 367912, 459890, 781813, 919780, 1563626, 1839560, 3127252, 3909065, 6254504, 7818130, 15636260, 31272520]

約数ペア:

[(1, 31272520), (2, 15636260), (4, 7818130), (5, 6254504), (8, 3909065), (10, 3127252), (17, 1839560), (20, 1563626), (34, 919780), (40, 781813), (68, 459890), (85, 367912), (136, 229945), (170, 183956), (340, 91978), (680, 45989)]