12402790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40009}}^1$

素因数の和:40047

約数の個数: 16

約数和(自身を含む): 23045760

約数和(自身を除く): 10642970

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 40009, 80018, 200045, 400090, 1240279, 2480558, 6201395, 12402790]

約数ペア:

[(1, 12402790), (2, 6201395), (5, 2480558), (10, 1240279), (31, 400090), (62, 200045), (155, 80018), (310, 40009)]