20621034200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{72763}}^1$

素因数の和:72901

約数の個数: 96

約数和(自身を含む): 52106300400

約数和(自身を除く): 31485266200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 109, 130, 200, 218, 260, 325, 436, 520, 545, 650, 872, 1090, 1300, 1417, 2180, 2600, 2725, 2834, 4360, 5450, 5668, 7085, 10900, 11336, 14170, 21800, 28340, 35425, 56680, 70850, 72763, 141700, 145526, 283400, 291052, 363815, 582104, 727630, 945919, 1455260, 1819075, 1891838, 2910520, 3638150, 3783676, 4729595, 7276300, 7567352, 7931167, 9459190, 14552600, 15862334, 18918380, 23647975, 31724668, 37836760, 39655835, 47295950, 63449336, 79311670, 94591900, 103105171, 158623340, 189183800, 198279175, 206210342, 317246680, 396558350, 412420684, 515525855, 793116700, 824841368, 1031051710, 1586233400, 2062103420, 2577629275, 4124206840, 5155258550, 10310517100, 20621034200]

約数ペア:

[(1, 20621034200), (2, 10310517100), (4, 5155258550), (5, 4124206840), (8, 2577629275), (10, 2062103420), (13, 1586233400), (20, 1031051710), (25, 824841368), (26, 793116700), (40, 515525855), (50, 412420684), (52, 396558350), (65, 317246680), (100, 206210342), (104, 198279175), (109, 189183800), (130, 158623340), (200, 103105171), (218, 94591900), (260, 79311670), (325, 63449336), (436, 47295950), (520, 39655835), (545, 37836760), (650, 31724668), (872, 23647975), (1090, 18918380), (1300, 15862334), (1417, 14552600), (2180, 9459190), (2600, 7931167), (2725, 7567352), (2834, 7276300), (4360, 4729595), (5450, 3783676), (5668, 3638150), (7085, 2910520), (10900, 1891838), (11336, 1819075), (14170, 1455260), (21800, 945919), (28340, 727630), (35425, 582104), (56680, 363815), (70850, 291052), (72763, 283400), (141700, 145526)]