138810400

素因数分解:

$2^5\times 5^2\times {\mathrm{167}}^1\times {\mathrm{1039}}^1$

素因数の和:1226

約数の個数: 72

約数和(自身を含む): 341228160

約数和(自身を除く): 202417760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 167, 200, 334, 400, 668, 800, 835, 1039, 1336, 1670, 2078, 2672, 3340, 4156, 4175, 5195, 5344, 6680, 8312, 8350, 10390, 13360, 16624, 16700, 20780, 25975, 26720, 33248, 33400, 41560, 51950, 66800, 83120, 103900, 133600, 166240, 173513, 207800, 347026, 415600, 694052, 831200, 867565, 1388104, 1735130, 2776208, 3470260, 4337825, 5552416, 6940520, 8675650, 13881040, 17351300, 27762080, 34702600, 69405200, 138810400]

約数ペア:

[(1, 138810400), (2, 69405200), (4, 34702600), (5, 27762080), (8, 17351300), (10, 13881040), (16, 8675650), (20, 6940520), (25, 5552416), (32, 4337825), (40, 3470260), (50, 2776208), (80, 1735130), (100, 1388104), (160, 867565), (167, 831200), (200, 694052), (334, 415600), (400, 347026), (668, 207800), (800, 173513), (835, 166240), (1039, 133600), (1336, 103900), (1670, 83120), (2078, 66800), (2672, 51950), (3340, 41560), (4156, 33400), (4175, 33248), (5195, 26720), (5344, 25975), (6680, 20780), (8312, 16700), (8350, 16624), (10390, 13360)]