40320670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7213}}^1$

素因数の和:7276

約数の個数: 32

約数和(自身を含む): 79988832

約数和(自身を除く): 39668162

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 7213, 14426, 36065, 72130, 93769, 187538, 310159, 468845, 620318, 937690, 1550795, 3101590, 4032067, 8064134, 20160335, 40320670]

約数ペア:

[(1, 40320670), (2, 20160335), (5, 8064134), (10, 4032067), (13, 3101590), (26, 1550795), (43, 937690), (65, 620318), (86, 468845), (130, 310159), (215, 187538), (430, 93769), (559, 72130), (1118, 36065), (2795, 14426), (5590, 7213)]