40026208

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 82180224

約数和(自身を除く): 42154016

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 157, 248, 257, 314, 496, 514, 628, 992, 1028, 1256, 2056, 2512, 4112, 4867, 5024, 7967, 8224, 9734, 15934, 19468, 31868, 38936, 40349, 63736, 77872, 80698, 127472, 155744, 161396, 254944, 322792, 645584, 1250819, 1291168, 2501638, 5003276, 10006552, 20013104, 40026208]

約数ペア:

[(1, 40026208), (2, 20013104), (4, 10006552), (8, 5003276), (16, 2501638), (31, 1291168), (32, 1250819), (62, 645584), (124, 322792), (157, 254944), (248, 161396), (257, 155744), (314, 127472), (496, 80698), (514, 77872), (628, 63736), (992, 40349), (1028, 38936), (1256, 31868), (2056, 19468), (2512, 15934), (4112, 9734), (4867, 8224), (5024, 7967)]