15842420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 36687168

約数和(自身を除く): 20844748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 673, 1070, 1177, 1346, 2140, 2354, 2692, 3365, 4708, 5885, 6730, 7403, 11770, 13460, 14806, 23540, 29612, 37015, 72011, 74030, 144022, 148060, 288044, 360055, 720110, 792121, 1440220, 1584242, 3168484, 3960605, 7921210, 15842420]

約数ペア:

[(1, 15842420), (2, 7921210), (4, 3960605), (5, 3168484), (10, 1584242), (11, 1440220), (20, 792121), (22, 720110), (44, 360055), (55, 288044), (107, 148060), (110, 144022), (214, 74030), (220, 72011), (428, 37015), (535, 29612), (673, 23540), (1070, 14806), (1177, 13460), (1346, 11770), (2140, 7403), (2354, 6730), (2692, 5885), (3365, 4708)]