202108720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20879}}^1$

素因数の和:20914

約数の個数: 60

約数和(自身を含む): 516529440

約数和(自身を除く): 314420720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 20879, 41758, 83516, 104395, 167032, 208790, 229669, 334064, 417580, 459338, 835160, 918676, 1148345, 1670320, 1837352, 2296690, 2526359, 3674704, 4593380, 5052718, 9186760, 10105436, 12631795, 18373520, 20210872, 25263590, 40421744, 50527180, 101054360, 202108720]

約数ペア:

[(1, 202108720), (2, 101054360), (4, 50527180), (5, 40421744), (8, 25263590), (10, 20210872), (11, 18373520), (16, 12631795), (20, 10105436), (22, 9186760), (40, 5052718), (44, 4593380), (55, 3674704), (80, 2526359), (88, 2296690), (110, 1837352), (121, 1670320), (176, 1148345), (220, 918676), (242, 835160), (440, 459338), (484, 417580), (605, 334064), (880, 229669), (968, 208790), (1210, 167032), (1936, 104395), (2420, 83516), (4840, 41758), (9680, 20879)]