27640730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1$

素因数の和:2498

約数の個数: 32

約数和(自身を含む): 54205200

約数和(自身を除く): 26564470

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 2389, 4778, 5785, 11570, 11945, 23890, 31057, 62114, 155285, 212621, 310570, 425242, 1063105, 2126210, 2764073, 5528146, 13820365, 27640730]

約数ペア:

[(1, 27640730), (2, 13820365), (5, 5528146), (10, 2764073), (13, 2126210), (26, 1063105), (65, 425242), (89, 310570), (130, 212621), (178, 155285), (445, 62114), (890, 31057), (1157, 23890), (2314, 11945), (2389, 11570), (4778, 5785)]