20149116640

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{7753}}^1$

素因数の和:8244

約数の個数: 96

約数和(自身を含む): 49006520640

約数和(自身を除く): 28857404000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 439, 592, 740, 878, 1184, 1480, 1756, 2195, 2960, 3512, 4390, 5920, 7024, 7753, 8780, 14048, 15506, 16243, 17560, 31012, 32486, 35120, 38765, 62024, 64972, 70240, 77530, 81215, 124048, 129944, 155060, 162430, 248096, 259888, 286861, 310120, 324860, 519776, 573722, 620240, 649720, 1147444, 1240480, 1299440, 1434305, 2294888, 2598880, 2868610, 3403567, 4589776, 5737220, 6807134, 9179552, 11474440, 13614268, 17017835, 22948880, 27228536, 34035670, 45897760, 54457072, 68071340, 108914144, 125931979, 136142680, 251863958, 272285360, 503727916, 544570720, 629659895, 1007455832, 1259319790, 2014911664, 2518639580, 4029823328, 5037279160, 10074558320, 20149116640]

約数ペア:

[(1, 20149116640), (2, 10074558320), (4, 5037279160), (5, 4029823328), (8, 2518639580), (10, 2014911664), (16, 1259319790), (20, 1007455832), (32, 629659895), (37, 544570720), (40, 503727916), (74, 272285360), (80, 251863958), (148, 136142680), (160, 125931979), (185, 108914144), (296, 68071340), (370, 54457072), (439, 45897760), (592, 34035670), (740, 27228536), (878, 22948880), (1184, 17017835), (1480, 13614268), (1756, 11474440), (2195, 9179552), (2960, 6807134), (3512, 5737220), (4390, 4589776), (5920, 3403567), (7024, 2868610), (7753, 2598880), (8780, 2294888), (14048, 1434305), (15506, 1299440), (16243, 1240480), (17560, 1147444), (31012, 649720), (32486, 620240), (35120, 573722), (38765, 519776), (62024, 324860), (64972, 310120), (70240, 286861), (77530, 259888), (81215, 248096), (124048, 162430), (129944, 155060)]