12949480

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{619}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 29239200

約数和(自身を除く): 16289720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 619, 1046, 1238, 2092, 2476, 2615, 3095, 4184, 4952, 5230, 6190, 10460, 12380, 20920, 24760, 323737, 647474, 1294948, 1618685, 2589896, 3237370, 6474740, 12949480]

約数ペア:

[(1, 12949480), (2, 6474740), (4, 3237370), (5, 2589896), (8, 1618685), (10, 1294948), (20, 647474), (40, 323737), (523, 24760), (619, 20920), (1046, 12380), (1238, 10460), (2092, 6190), (2476, 5230), (2615, 4952), (3095, 4184)]