27782420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 63313488

約数和(自身を除く): 35531068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 1993, 2788, 3485, 3986, 6970, 7972, 9965, 13940, 19930, 33881, 39860, 67762, 81713, 135524, 163426, 169405, 326852, 338810, 408565, 677620, 817130, 1389121, 1634260, 2778242, 5556484, 6945605, 13891210, 27782420]

約数ペア:

[(1, 27782420), (2, 13891210), (4, 6945605), (5, 5556484), (10, 2778242), (17, 1634260), (20, 1389121), (34, 817130), (41, 677620), (68, 408565), (82, 338810), (85, 326852), (164, 169405), (170, 163426), (205, 135524), (340, 81713), (410, 67762), (697, 39860), (820, 33881), (1394, 19930), (1993, 13940), (2788, 9965), (3485, 7972), (3986, 6970)]