67621970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{40013}}^1$

素因数の和:40046

約数の個数: 24

約数和(自身を含む): 131806116

約数和(自身を除く): 64184146

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 40013, 80026, 200065, 400130, 520169, 1040338, 2600845, 5201690, 6762197, 13524394, 33810985, 67621970]

約数ペア:

[(1, 67621970), (2, 33810985), (5, 13524394), (10, 6762197), (13, 5201690), (26, 2600845), (65, 1040338), (130, 520169), (169, 400130), (338, 200065), (845, 80026), (1690, 40013)]