28101230

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{27823}}^1$

素因数の和:27931

約数の個数: 16

約数和(自身を含む): 51084864

約数和(自身を除く): 22983634

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 27823, 55646, 139115, 278230, 2810123, 5620246, 14050615, 28101230]

約数ペア:

[(1, 28101230), (2, 14050615), (5, 5620246), (10, 2810123), (101, 278230), (202, 139115), (505, 55646), (1010, 27823)]