260513660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2953}}^1$

素因数の和:3374

約数の個数: 48

約数和(自身を含む): 598504032

約数和(自身を除く): 337990372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 1604, 2005, 2953, 4010, 4411, 5906, 8020, 8822, 11812, 14765, 17644, 22055, 29530, 32483, 44110, 59060, 64966, 88220, 129932, 162415, 324830, 649660, 1184153, 2368306, 4736612, 5920765, 11841530, 13025683, 23683060, 26051366, 52102732, 65128415, 130256830, 260513660]

約数ペア:

[(1, 260513660), (2, 130256830), (4, 65128415), (5, 52102732), (10, 26051366), (11, 23683060), (20, 13025683), (22, 11841530), (44, 5920765), (55, 4736612), (110, 2368306), (220, 1184153), (401, 649660), (802, 324830), (1604, 162415), (2005, 129932), (2953, 88220), (4010, 64966), (4411, 59060), (5906, 44110), (8020, 32483), (8822, 29530), (11812, 22055), (14765, 17644)]