31392280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21211}}^1$

素因数の和:21259

約数の個数: 32

約数和(自身を含む): 72545040

約数和(自身を除く): 41152760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 21211, 42422, 84844, 106055, 169688, 212110, 424220, 784807, 848440, 1569614, 3139228, 3924035, 6278456, 7848070, 15696140, 31392280]

約数ペア:

[(1, 31392280), (2, 15696140), (4, 7848070), (5, 6278456), (8, 3924035), (10, 3139228), (20, 1569614), (37, 848440), (40, 784807), (74, 424220), (148, 212110), (185, 169688), (296, 106055), (370, 84844), (740, 42422), (1480, 21211)]