28285120

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:737

約数の個数: 56

約数和(自身を含む): 67903344

約数和(自身を除く): 39618224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 563, 628, 785, 1126, 1256, 1570, 2252, 2512, 2815, 3140, 4504, 5024, 5630, 6280, 9008, 10048, 11260, 12560, 18016, 22520, 25120, 36032, 45040, 50240, 88391, 90080, 176782, 180160, 353564, 441955, 707128, 883910, 1414256, 1767820, 2828512, 3535640, 5657024, 7071280, 14142560, 28285120]

約数ペア:

[(1, 28285120), (2, 14142560), (4, 7071280), (5, 5657024), (8, 3535640), (10, 2828512), (16, 1767820), (20, 1414256), (32, 883910), (40, 707128), (64, 441955), (80, 353564), (157, 180160), (160, 176782), (314, 90080), (320, 88391), (563, 50240), (628, 45040), (785, 36032), (1126, 25120), (1256, 22520), (1570, 18016), (2252, 12560), (2512, 11260), (2815, 10048), (3140, 9008), (4504, 6280), (5024, 5630)]