64089790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 117923040

約数和(自身を除く): 53833250

約数列:

[1, 2, 5, 10, 89, 107, 178, 214, 445, 535, 673, 890, 1070, 1346, 3365, 6730, 9523, 19046, 47615, 59897, 72011, 95230, 119794, 144022, 299485, 360055, 598970, 720110, 6408979, 12817958, 32044895, 64089790]

約数ペア:

[(1, 64089790), (2, 32044895), (5, 12817958), (10, 6408979), (89, 720110), (107, 598970), (178, 360055), (214, 299485), (445, 144022), (535, 119794), (673, 95230), (890, 72011), (1070, 59897), (1346, 47615), (3365, 19046), (6730, 9523)]