28665920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3089}}^1$

素因数の和:3135

約数の個数: 56

約数和(自身を含む): 70637400

約数和(自身を除く): 41971480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 3089, 4640, 6178, 9280, 12356, 15445, 24712, 30890, 49424, 61780, 89581, 98848, 123560, 179162, 197696, 247120, 358324, 447905, 494240, 716648, 895810, 988480, 1433296, 1791620, 2866592, 3583240, 5733184, 7166480, 14332960, 28665920]

約数ペア:

[(1, 28665920), (2, 14332960), (4, 7166480), (5, 5733184), (8, 3583240), (10, 2866592), (16, 1791620), (20, 1433296), (29, 988480), (32, 895810), (40, 716648), (58, 494240), (64, 447905), (80, 358324), (116, 247120), (145, 197696), (160, 179162), (232, 123560), (290, 98848), (320, 89581), (464, 61780), (580, 49424), (928, 30890), (1160, 24712), (1856, 15445), (2320, 12356), (3089, 9280), (4640, 6178)]