26380220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 31535428

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 607, 820, 1060, 1214, 2173, 2428, 3035, 4346, 6070, 8692, 10865, 12140, 21730, 24887, 32171, 43460, 49774, 64342, 99548, 124435, 128684, 160855, 248870, 321710, 497740, 643420, 1319011, 2638022, 5276044, 6595055, 13190110, 26380220]

約数ペア:

[(1, 26380220), (2, 13190110), (4, 6595055), (5, 5276044), (10, 2638022), (20, 1319011), (41, 643420), (53, 497740), (82, 321710), (106, 248870), (164, 160855), (205, 128684), (212, 124435), (265, 99548), (410, 64342), (530, 49774), (607, 43460), (820, 32171), (1060, 24887), (1214, 21730), (2173, 12140), (2428, 10865), (3035, 8692), (4346, 6070)]