25885420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 59961888

約数和(自身を除く): 34076468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1213, 1940, 2134, 2426, 4268, 4852, 5335, 6065, 10670, 12130, 13343, 21340, 24260, 26686, 53372, 66715, 117661, 133430, 235322, 266860, 470644, 588305, 1176610, 1294271, 2353220, 2588542, 5177084, 6471355, 12942710, 25885420]

約数ペア:

[(1, 25885420), (2, 12942710), (4, 6471355), (5, 5177084), (10, 2588542), (11, 2353220), (20, 1294271), (22, 1176610), (44, 588305), (55, 470644), (97, 266860), (110, 235322), (194, 133430), (220, 117661), (388, 66715), (485, 53372), (970, 26686), (1067, 24260), (1213, 21340), (1940, 13343), (2134, 12130), (2426, 10670), (4268, 6065), (4852, 5335)]