1375720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 3129120

約数和(自身を除く): 1753400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 211, 326, 422, 652, 815, 844, 1055, 1304, 1630, 1688, 2110, 3260, 4220, 6520, 8440, 34393, 68786, 137572, 171965, 275144, 343930, 687860, 1375720]

約数ペア:

[(1, 1375720), (2, 687860), (4, 343930), (5, 275144), (8, 171965), (10, 137572), (20, 68786), (40, 34393), (163, 8440), (211, 6520), (326, 4220), (422, 3260), (652, 2110), (815, 1688), (844, 1630), (1055, 1304)]