2080493090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 4083337440

約数和(自身を除く): 2002844350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 281, 337, 338, 562, 674, 845, 1405, 1685, 1690, 2197, 2810, 3370, 3653, 4381, 4394, 7306, 8762, 10985, 18265, 21905, 21970, 36530, 43810, 47489, 56953, 94697, 94978, 113906, 189394, 237445, 284765, 473485, 474890, 569530, 617357, 740389, 946970, 1231061, 1234714, 1480778, 2462122, 3086785, 3701945, 6155305, 6173570, 7403890, 12310610, 16003793, 32007586, 80018965, 160037930, 208049309, 416098618, 1040246545, 2080493090]

約数ペア:

[(1, 2080493090), (2, 1040246545), (5, 416098618), (10, 208049309), (13, 160037930), (26, 80018965), (65, 32007586), (130, 16003793), (169, 12310610), (281, 7403890), (337, 6173570), (338, 6155305), (562, 3701945), (674, 3086785), (845, 2462122), (1405, 1480778), (1685, 1234714), (1690, 1231061), (2197, 946970), (2810, 740389), (3370, 617357), (3653, 569530), (4381, 474890), (4394, 473485), (7306, 284765), (8762, 237445), (10985, 189394), (18265, 113906), (21905, 94978), (21970, 94697), (36530, 56953), (43810, 47489)]