2665425880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{165349}}^1$

素因数の和:165404

約数の個数: 64

約数和(自身を含む): 6666912000

約数和(自身を除く): 4001486120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 165349, 330698, 661396, 826745, 1322792, 1653490, 2149537, 3306980, 4299074, 5125819, 6613960, 8598148, 10251638, 10747685, 17196296, 20503276, 21495370, 25629095, 41006552, 42990740, 51258190, 66635647, 85981480, 102516380, 133271294, 205032760, 266542588, 333178235, 533085176, 666356470, 1332712940, 2665425880]

約数ペア:

[(1, 2665425880), (2, 1332712940), (4, 666356470), (5, 533085176), (8, 333178235), (10, 266542588), (13, 205032760), (20, 133271294), (26, 102516380), (31, 85981480), (40, 66635647), (52, 51258190), (62, 42990740), (65, 41006552), (104, 25629095), (124, 21495370), (130, 20503276), (155, 17196296), (248, 10747685), (260, 10251638), (310, 8598148), (403, 6613960), (520, 5125819), (620, 4299074), (806, 3306980), (1240, 2149537), (1612, 1653490), (2015, 1322792), (3224, 826745), (4030, 661396), (8060, 330698), (16120, 165349)]