28245280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25219}}^1$

素因数の和:25241

約数の個数: 48

約数和(自身を含む): 76265280

約数和(自身を除く): 48020000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25219, 50438, 100876, 126095, 176533, 201752, 252190, 353066, 403504, 504380, 706132, 807008, 882665, 1008760, 1412264, 1765330, 2017520, 2824528, 3530660, 4035040, 5649056, 7061320, 14122640, 28245280]

約数ペア:

[(1, 28245280), (2, 14122640), (4, 7061320), (5, 5649056), (7, 4035040), (8, 3530660), (10, 2824528), (14, 2017520), (16, 1765330), (20, 1412264), (28, 1008760), (32, 882665), (35, 807008), (40, 706132), (56, 504380), (70, 403504), (80, 353066), (112, 252190), (140, 201752), (160, 176533), (224, 126095), (280, 100876), (560, 50438), (1120, 25219)]