7804290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20011}}^1$

素因数の和:20034

約数の個数: 32

約数和(自身を含む): 20172096

約数和(自身を除く): 12367806

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20011, 40022, 60033, 100055, 120066, 200110, 260143, 300165, 520286, 600330, 780429, 1300715, 1560858, 2601430, 3902145, 7804290]

約数ペア:

[(1, 7804290), (2, 3902145), (3, 2601430), (5, 1560858), (6, 1300715), (10, 780429), (13, 600330), (15, 520286), (26, 300165), (30, 260143), (39, 200110), (65, 120066), (78, 100055), (130, 60033), (195, 40022), (390, 20011)]