201421540

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{56263}}^1$

素因数の和:56451

約数の個数: 24

約数和(自身を含む): 425355840

約数和(自身を除く): 223934300

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 56263, 112526, 225052, 281315, 562630, 1125260, 10071077, 20142154, 40284308, 50355385, 100710770, 201421540]

約数ペア:

[(1, 201421540), (2, 100710770), (4, 50355385), (5, 40284308), (10, 20142154), (20, 10071077), (179, 1125260), (358, 562630), (716, 281315), (895, 225052), (1790, 112526), (3580, 56263)]