2079860120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 5194506240

約数和(自身を除く): 3114646120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 191, 215, 260, 344, 382, 430, 487, 520, 559, 764, 860, 955, 974, 1118, 1528, 1720, 1910, 1948, 2236, 2435, 2483, 2795, 3820, 3896, 4472, 4870, 4966, 5590, 6331, 7640, 8213, 9740, 9932, 11180, 12415, 12662, 16426, 19480, 19864, 20941, 22360, 24830, 25324, 31655, 32852, 41065, 41882, 49660, 50648, 63310, 65704, 82130, 83764, 93017, 99320, 104705, 106769, 126620, 164260, 167528, 186034, 209410, 213538, 253240, 272233, 328520, 372068, 418820, 427076, 465085, 533845, 544466, 744136, 837640, 854152, 930170, 1067690, 1088932, 1209221, 1361165, 1860340, 2135380, 2177864, 2418442, 2722330, 3720680, 3999731, 4270760, 4836884, 5444660, 6046105, 7999462, 9673768, 10889320, 12092210, 15998924, 19998655, 24184420, 31997848, 39997310, 48368840, 51996503, 79994620, 103993006, 159989240, 207986012, 259982515, 415972024, 519965030, 1039930060, 2079860120]

約数ペア:

[(1, 2079860120), (2, 1039930060), (4, 519965030), (5, 415972024), (8, 259982515), (10, 207986012), (13, 159989240), (20, 103993006), (26, 79994620), (40, 51996503), (43, 48368840), (52, 39997310), (65, 31997848), (86, 24184420), (104, 19998655), (130, 15998924), (172, 12092210), (191, 10889320), (215, 9673768), (260, 7999462), (344, 6046105), (382, 5444660), (430, 4836884), (487, 4270760), (520, 3999731), (559, 3720680), (764, 2722330), (860, 2418442), (955, 2177864), (974, 2135380), (1118, 1860340), (1528, 1361165), (1720, 1209221), (1910, 1088932), (1948, 1067690), (2236, 930170), (2435, 854152), (2483, 837640), (2795, 744136), (3820, 544466), (3896, 533845), (4472, 465085), (4870, 427076), (4966, 418820), (5590, 372068), (6331, 328520), (7640, 272233), (8213, 253240), (9740, 213538), (9932, 209410), (11180, 186034), (12415, 167528), (12662, 164260), (16426, 126620), (19480, 106769), (19864, 104705), (20941, 99320), (22360, 93017), (24830, 83764), (25324, 82130), (31655, 65704), (32852, 63310), (41065, 50648), (41882, 49660)]