545358820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1\times {\mathrm{1307}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 1184859648

約数和(自身を除く): 639500828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 673, 1307, 1346, 2614, 2692, 3365, 5228, 6535, 6730, 13070, 13460, 20863, 26140, 40517, 41726, 81034, 83452, 104315, 162068, 202585, 208630, 405170, 417260, 810340, 879611, 1759222, 3518444, 4398055, 8796110, 17592220, 27267941, 54535882, 109071764, 136339705, 272679410, 545358820]

約数ペア:

[(1, 545358820), (2, 272679410), (4, 136339705), (5, 109071764), (10, 54535882), (20, 27267941), (31, 17592220), (62, 8796110), (124, 4398055), (155, 3518444), (310, 1759222), (620, 879611), (673, 810340), (1307, 417260), (1346, 405170), (2614, 208630), (2692, 202585), (3365, 162068), (5228, 104315), (6535, 83452), (6730, 81034), (13070, 41726), (13460, 40517), (20863, 26140)]