15726620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8641}}^1$

素因数の和:8670

約数の個数: 48

約数和(自身を含む): 40651968

約数和(自身を除く): 24925348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8641, 17282, 34564, 43205, 60487, 86410, 112333, 120974, 172820, 224666, 241948, 302435, 449332, 561665, 604870, 786331, 1123330, 1209740, 1572662, 2246660, 3145324, 3931655, 7863310, 15726620]

約数ペア:

[(1, 15726620), (2, 7863310), (4, 3931655), (5, 3145324), (7, 2246660), (10, 1572662), (13, 1209740), (14, 1123330), (20, 786331), (26, 604870), (28, 561665), (35, 449332), (52, 302435), (65, 241948), (70, 224666), (91, 172820), (130, 120974), (140, 112333), (182, 86410), (260, 60487), (364, 43205), (455, 34564), (910, 17282), (1820, 8641)]