31996120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 79672320

約数和(自身を除く): 47676200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1663, 1924, 2405, 3326, 3848, 4810, 6652, 8315, 9620, 13304, 16630, 19240, 21619, 33260, 43238, 61531, 66520, 86476, 108095, 123062, 172952, 216190, 246124, 307655, 432380, 492248, 615310, 799903, 864760, 1230620, 1599806, 2461240, 3199612, 3999515, 6399224, 7999030, 15998060, 31996120]

約数ペア:

[(1, 31996120), (2, 15998060), (4, 7999030), (5, 6399224), (8, 3999515), (10, 3199612), (13, 2461240), (20, 1599806), (26, 1230620), (37, 864760), (40, 799903), (52, 615310), (65, 492248), (74, 432380), (104, 307655), (130, 246124), (148, 216190), (185, 172952), (260, 123062), (296, 108095), (370, 86476), (481, 66520), (520, 61531), (740, 43238), (962, 33260), (1480, 21619), (1663, 19240), (1924, 16630), (2405, 13304), (3326, 9620), (3848, 8315), (4810, 6652)]