31328600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 75726180

約数和(自身を除く): 44397580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 163, 200, 248, 310, 326, 620, 652, 775, 815, 961, 1240, 1304, 1550, 1630, 1922, 3100, 3260, 3844, 4075, 4805, 5053, 6200, 6520, 7688, 8150, 9610, 10106, 16300, 19220, 20212, 24025, 25265, 32600, 38440, 40424, 48050, 50530, 96100, 101060, 126325, 156643, 192200, 202120, 252650, 313286, 505300, 626572, 783215, 1010600, 1253144, 1566430, 3132860, 3916075, 6265720, 7832150, 15664300, 31328600]

約数ペア:

[(1, 31328600), (2, 15664300), (4, 7832150), (5, 6265720), (8, 3916075), (10, 3132860), (20, 1566430), (25, 1253144), (31, 1010600), (40, 783215), (50, 626572), (62, 505300), (100, 313286), (124, 252650), (155, 202120), (163, 192200), (200, 156643), (248, 126325), (310, 101060), (326, 96100), (620, 50530), (652, 48050), (775, 40424), (815, 38440), (961, 32600), (1240, 25265), (1304, 24025), (1550, 20212), (1630, 19220), (1922, 16300), (3100, 10106), (3260, 9610), (3844, 8150), (4075, 7688), (4805, 6520), (5053, 6200)]