28503320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19259}}^1$

素因数の和:19307

約数の個数: 32

約数和(自身を含む): 65869200

約数和(自身を除く): 37365880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 19259, 38518, 77036, 96295, 154072, 192590, 385180, 712583, 770360, 1425166, 2850332, 3562915, 5700664, 7125830, 14251660, 28503320]

約数ペア:

[(1, 28503320), (2, 14251660), (4, 7125830), (5, 5700664), (8, 3562915), (10, 2850332), (20, 1425166), (37, 770360), (40, 712583), (74, 385180), (148, 192590), (185, 154072), (296, 96295), (370, 77036), (740, 38518), (1480, 19259)]