31769840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2857}}^1$

素因数の和:3009

約数の個数: 40

約数和(自身を含む): 74422320

約数和(自身を除く): 42652480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 2857, 5560, 5714, 11120, 11428, 14285, 22856, 28570, 45712, 57140, 114280, 228560, 397123, 794246, 1588492, 1985615, 3176984, 3971230, 6353968, 7942460, 15884920, 31769840]

約数ペア:

[(1, 31769840), (2, 15884920), (4, 7942460), (5, 6353968), (8, 3971230), (10, 3176984), (16, 1985615), (20, 1588492), (40, 794246), (80, 397123), (139, 228560), (278, 114280), (556, 57140), (695, 45712), (1112, 28570), (1390, 22856), (2224, 14285), (2780, 11428), (2857, 11120), (5560, 5714)]