11781640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 28929600

約数和(自身を除く): 17147960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 163, 260, 278, 326, 520, 556, 652, 695, 815, 1112, 1304, 1390, 1630, 1807, 2119, 2780, 3260, 3614, 4238, 5560, 6520, 7228, 8476, 9035, 10595, 14456, 16952, 18070, 21190, 22657, 36140, 42380, 45314, 72280, 84760, 90628, 113285, 181256, 226570, 294541, 453140, 589082, 906280, 1178164, 1472705, 2356328, 2945410, 5890820, 11781640]

約数ペア:

[(1, 11781640), (2, 5890820), (4, 2945410), (5, 2356328), (8, 1472705), (10, 1178164), (13, 906280), (20, 589082), (26, 453140), (40, 294541), (52, 226570), (65, 181256), (104, 113285), (130, 90628), (139, 84760), (163, 72280), (260, 45314), (278, 42380), (326, 36140), (520, 22657), (556, 21190), (652, 18070), (695, 16952), (815, 14456), (1112, 10595), (1304, 9035), (1390, 8476), (1630, 7228), (1807, 6520), (2119, 5560), (2780, 4238), (3260, 3614)]