80105990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{773}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 148347936

約数和(自身を除く): 68241946

約数列:

[1, 2, 5, 10, 43, 86, 215, 241, 430, 482, 773, 1205, 1546, 2410, 3865, 7730, 10363, 20726, 33239, 51815, 66478, 103630, 166195, 186293, 332390, 372586, 931465, 1862930, 8010599, 16021198, 40052995, 80105990]

約数ペア:

[(1, 80105990), (2, 40052995), (5, 16021198), (10, 8010599), (43, 1862930), (86, 931465), (215, 372586), (241, 332390), (430, 186293), (482, 166195), (773, 103630), (1205, 66478), (1546, 51815), (2410, 33239), (3865, 20726), (7730, 10363)]