156920285420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{31259021}}^1$

素因数の和:31259281

約数の個数: 24

約数和(自身を含む): 330845488848

約数和(自身を除く): 173925203428

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 31259021, 62518042, 125036084, 156295105, 312590210, 625180420, 7846014271, 15692028542, 31384057084, 39230071355, 78460142710, 156920285420]

約数ペア:

[(1, 156920285420), (2, 78460142710), (4, 39230071355), (5, 31384057084), (10, 15692028542), (20, 7846014271), (251, 625180420), (502, 312590210), (1004, 156295105), (1255, 125036084), (2510, 62518042), (5020, 31259021)]