11142820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 26692848

約数和(自身を除く): 15550028

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2521, 4420, 5042, 10084, 12605, 25210, 32773, 42857, 50420, 65546, 85714, 131092, 163865, 171428, 214285, 327730, 428570, 557141, 655460, 857140, 1114282, 2228564, 2785705, 5571410, 11142820]

約数ペア:

[(1, 11142820), (2, 5571410), (4, 2785705), (5, 2228564), (10, 1114282), (13, 857140), (17, 655460), (20, 557141), (26, 428570), (34, 327730), (52, 214285), (65, 171428), (68, 163865), (85, 131092), (130, 85714), (170, 65546), (221, 50420), (260, 42857), (340, 32773), (442, 25210), (884, 12605), (1105, 10084), (2210, 5042), (2521, 4420)]