28571680

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{631}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 67846464

約数和(自身を除く): 39274784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 631, 1132, 1262, 1415, 2264, 2524, 2830, 3155, 4528, 5048, 5660, 6310, 9056, 10096, 11320, 12620, 20192, 22640, 25240, 45280, 50480, 100960, 178573, 357146, 714292, 892865, 1428584, 1785730, 2857168, 3571460, 5714336, 7142920, 14285840, 28571680]

約数ペア:

[(1, 28571680), (2, 14285840), (4, 7142920), (5, 5714336), (8, 3571460), (10, 2857168), (16, 1785730), (20, 1428584), (32, 892865), (40, 714292), (80, 357146), (160, 178573), (283, 100960), (566, 50480), (631, 45280), (1132, 25240), (1262, 22640), (1415, 20192), (2264, 12620), (2524, 11320), (2830, 10096), (3155, 9056), (4528, 6310), (5048, 5660)]