31826840

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2293}}^1$

素因数の和:2651

約数の個数: 32

約数和(自身を含む): 71848080

約数和(自身を除く): 40021240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2293, 2776, 3470, 4586, 6940, 9172, 11465, 13880, 18344, 22930, 45860, 91720, 795671, 1591342, 3182684, 3978355, 6365368, 7956710, 15913420, 31826840]

約数ペア:

[(1, 31826840), (2, 15913420), (4, 7956710), (5, 6365368), (8, 3978355), (10, 3182684), (20, 1591342), (40, 795671), (347, 91720), (694, 45860), (1388, 22930), (1735, 18344), (2293, 13880), (2776, 11465), (3470, 9172), (4586, 6940)]