28132010

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 52027920

約数和(自身を除く): 23895910

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 433, 445, 730, 866, 890, 2165, 4330, 6497, 12994, 31609, 32485, 38537, 63218, 64970, 77074, 158045, 192685, 316090, 385370, 2813201, 5626402, 14066005, 28132010]

約数ペア:

[(1, 28132010), (2, 14066005), (5, 5626402), (10, 2813201), (73, 385370), (89, 316090), (146, 192685), (178, 158045), (365, 77074), (433, 64970), (445, 63218), (730, 38537), (866, 32485), (890, 31609), (2165, 12994), (4330, 6497)]