2015129540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{641761}}^1$

素因数の和:641927

約数の個数: 24

約数和(自身を含む): 4258732632

約数和(自身を除く): 2243603092

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 641761, 1283522, 2567044, 3208805, 6417610, 12835220, 100756477, 201512954, 403025908, 503782385, 1007564770, 2015129540]

約数ペア:

[(1, 2015129540), (2, 1007564770), (4, 503782385), (5, 403025908), (10, 201512954), (20, 100756477), (157, 12835220), (314, 6417610), (628, 3208805), (785, 2567044), (1570, 1283522), (3140, 641761)]