31641560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 75098880

約数和(自身を除く): 43457320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 163, 184, 211, 230, 326, 422, 460, 652, 815, 844, 920, 1055, 1304, 1630, 1688, 2110, 3260, 3749, 4220, 4853, 6520, 7498, 8440, 9706, 14996, 18745, 19412, 24265, 29992, 34393, 37490, 38824, 48530, 68786, 74980, 97060, 137572, 149960, 171965, 194120, 275144, 343930, 687860, 791039, 1375720, 1582078, 3164156, 3955195, 6328312, 7910390, 15820780, 31641560]

約数ペア:

[(1, 31641560), (2, 15820780), (4, 7910390), (5, 6328312), (8, 3955195), (10, 3164156), (20, 1582078), (23, 1375720), (40, 791039), (46, 687860), (92, 343930), (115, 275144), (163, 194120), (184, 171965), (211, 149960), (230, 137572), (326, 97060), (422, 74980), (460, 68786), (652, 48530), (815, 38824), (844, 37490), (920, 34393), (1055, 29992), (1304, 24265), (1630, 19412), (1688, 18745), (2110, 14996), (3260, 9706), (3749, 8440), (4220, 7498), (4853, 6520)]