208789185280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12547427}}^1$

素因数の和:12547461

約数の個数: 72

約数和(自身を含む): 538585799472

約数和(自身を除く): 329796614192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 12547427, 25094854, 50189708, 62737135, 100379416, 125474270, 163116551, 200758832, 250948540, 326233102, 401517664, 501897080, 652466204, 803035328, 815582755, 1003794160, 1304932408, 1606070656, 1631165510, 2007588320, 2609864816, 3212141312, 3262331020, 4015176640, 5219729632, 6524662040, 8030353280, 10439459264, 13049324080, 16060706560, 20878918528, 26098648160, 41757837056, 52197296320, 104394592640, 208789185280]

約数ペア:

[(1, 208789185280), (2, 104394592640), (4, 52197296320), (5, 41757837056), (8, 26098648160), (10, 20878918528), (13, 16060706560), (16, 13049324080), (20, 10439459264), (26, 8030353280), (32, 6524662040), (40, 5219729632), (52, 4015176640), (64, 3262331020), (65, 3212141312), (80, 2609864816), (104, 2007588320), (128, 1631165510), (130, 1606070656), (160, 1304932408), (208, 1003794160), (256, 815582755), (260, 803035328), (320, 652466204), (416, 501897080), (520, 401517664), (640, 326233102), (832, 250948540), (1040, 200758832), (1280, 163116551), (1664, 125474270), (2080, 100379416), (3328, 62737135), (4160, 50189708), (8320, 25094854), (16640, 12547427)]