8406320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 21561120

約数和(自身を除く): 13154800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 137, 208, 236, 260, 274, 295, 472, 520, 548, 590, 685, 767, 944, 1040, 1096, 1180, 1370, 1534, 1781, 2192, 2360, 2740, 3068, 3562, 3835, 4720, 5480, 6136, 7124, 7670, 8083, 8905, 10960, 12272, 14248, 15340, 16166, 17810, 28496, 30680, 32332, 35620, 40415, 61360, 64664, 71240, 80830, 105079, 129328, 142480, 161660, 210158, 323320, 420316, 525395, 646640, 840632, 1050790, 1681264, 2101580, 4203160, 8406320]

約数ペア:

[(1, 8406320), (2, 4203160), (4, 2101580), (5, 1681264), (8, 1050790), (10, 840632), (13, 646640), (16, 525395), (20, 420316), (26, 323320), (40, 210158), (52, 161660), (59, 142480), (65, 129328), (80, 105079), (104, 80830), (118, 71240), (130, 64664), (137, 61360), (208, 40415), (236, 35620), (260, 32332), (274, 30680), (295, 28496), (472, 17810), (520, 16166), (548, 15340), (590, 14248), (685, 12272), (767, 10960), (944, 8905), (1040, 8083), (1096, 7670), (1180, 7124), (1370, 6136), (1534, 5480), (1781, 4720), (2192, 3835), (2360, 3562), (2740, 3068)]