4065980

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{773}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 8582112

約数和(自身を除く): 4516132

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 773, 1052, 1315, 1546, 2630, 3092, 3865, 5260, 7730, 15460, 203299, 406598, 813196, 1016495, 2032990, 4065980]

約数ペア:

[(1, 4065980), (2, 2032990), (4, 1016495), (5, 813196), (10, 406598), (20, 203299), (263, 15460), (526, 7730), (773, 5260), (1052, 3865), (1315, 3092), (1546, 2630)]