28490180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49121}}^1$

素因数の和:49159

約数の個数: 24

約数和(自身を含む): 61893720

約数和(自身を除く): 33403540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 49121, 98242, 196484, 245605, 491210, 982420, 1424509, 2849018, 5698036, 7122545, 14245090, 28490180]

約数ペア:

[(1, 28490180), (2, 14245090), (4, 7122545), (5, 5698036), (10, 2849018), (20, 1424509), (29, 982420), (58, 491210), (116, 245605), (145, 196484), (290, 98242), (580, 49121)]