268781650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{131113}}^1$

素因数の和:131166

約数の個数: 24

約数和(自身を含む): 512131284

約数和(自身を除く): 243349634

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 131113, 262226, 655565, 1311130, 3277825, 5375633, 6555650, 10751266, 26878165, 53756330, 134390825, 268781650]

約数ペア:

[(1, 268781650), (2, 134390825), (5, 53756330), (10, 26878165), (25, 10751266), (41, 6555650), (50, 5375633), (82, 3277825), (205, 1311130), (410, 655565), (1025, 262226), (2050, 131113)]