28125470

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{27847}}^1$

素因数の和:27955

約数の個数: 16

約数和(自身を含む): 51128928

約数和(自身を除く): 23003458

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 27847, 55694, 139235, 278470, 2812547, 5625094, 14062735, 28125470]

約数ペア:

[(1, 28125470), (2, 14062735), (5, 5625094), (10, 2812547), (101, 278470), (202, 139235), (505, 55694), (1010, 27847)]