2051257982420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{128364079}}^1$

素因数の和:128364152

約数の個数: 48

約数和(自身を含む): 4658075735040

約数和(自身を除く): 2606817752620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 15980, 128364079, 256728158, 513456316, 641820395, 1283640790, 2182189343, 2567281580, 4364378686, 6033111713, 8728757372, 10910946715, 12066223426, 21821893430, 24132446852, 30165558565, 43643786860, 60331117130, 102562899121, 120662234260, 205125798242, 410251596484, 512814495605, 1025628991210, 2051257982420]

約数ペア:

[(1, 2051257982420), (2, 1025628991210), (4, 512814495605), (5, 410251596484), (10, 205125798242), (17, 120662234260), (20, 102562899121), (34, 60331117130), (47, 43643786860), (68, 30165558565), (85, 24132446852), (94, 21821893430), (170, 12066223426), (188, 10910946715), (235, 8728757372), (340, 6033111713), (470, 4364378686), (799, 2567281580), (940, 2182189343), (1598, 1283640790), (3196, 641820395), (3995, 513456316), (7990, 256728158), (15980, 128364079)]