202051280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 485125200

約数和(自身を除く): 283073920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 229, 269, 328, 410, 458, 538, 656, 820, 916, 1076, 1145, 1345, 1640, 1832, 2152, 2290, 2690, 3280, 3664, 4304, 4580, 5380, 9160, 9389, 10760, 11029, 18320, 18778, 21520, 22058, 37556, 44116, 46945, 55145, 61601, 75112, 88232, 93890, 110290, 123202, 150224, 176464, 187780, 220580, 246404, 308005, 375560, 441160, 492808, 616010, 751120, 882320, 985616, 1232020, 2464040, 2525641, 4928080, 5051282, 10102564, 12628205, 20205128, 25256410, 40410256, 50512820, 101025640, 202051280]

約数ペア:

[(1, 202051280), (2, 101025640), (4, 50512820), (5, 40410256), (8, 25256410), (10, 20205128), (16, 12628205), (20, 10102564), (40, 5051282), (41, 4928080), (80, 2525641), (82, 2464040), (164, 1232020), (205, 985616), (229, 882320), (269, 751120), (328, 616010), (410, 492808), (458, 441160), (538, 375560), (656, 308005), (820, 246404), (916, 220580), (1076, 187780), (1145, 176464), (1345, 150224), (1640, 123202), (1832, 110290), (2152, 93890), (2290, 88232), (2690, 75112), (3280, 61601), (3664, 55145), (4304, 46945), (4580, 44116), (5380, 37556), (9160, 22058), (9389, 21520), (10760, 18778), (11029, 18320)]