28992440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 68290560

約数和(自身を除く): 39298120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 227, 248, 310, 412, 454, 515, 620, 824, 908, 1030, 1135, 1240, 1816, 2060, 2270, 3193, 4120, 4540, 6386, 7037, 9080, 12772, 14074, 15965, 23381, 25544, 28148, 31930, 35185, 46762, 56296, 63860, 70370, 93524, 116905, 127720, 140740, 187048, 233810, 281480, 467620, 724811, 935240, 1449622, 2899244, 3624055, 5798488, 7248110, 14496220, 28992440]

約数ペア:

[(1, 28992440), (2, 14496220), (4, 7248110), (5, 5798488), (8, 3624055), (10, 2899244), (20, 1449622), (31, 935240), (40, 724811), (62, 467620), (103, 281480), (124, 233810), (155, 187048), (206, 140740), (227, 127720), (248, 116905), (310, 93524), (412, 70370), (454, 63860), (515, 56296), (620, 46762), (824, 35185), (908, 31930), (1030, 28148), (1135, 25544), (1240, 23381), (1816, 15965), (2060, 14074), (2270, 12772), (3193, 9080), (4120, 7037), (4540, 6386)]