51108760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 121798080

約数和(自身を除く): 70689320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 365, 460, 584, 730, 761, 920, 1460, 1522, 1679, 2920, 3044, 3358, 3805, 6088, 6716, 7610, 8395, 13432, 15220, 16790, 17503, 30440, 33580, 35006, 55553, 67160, 70012, 87515, 111106, 140024, 175030, 222212, 277765, 350060, 444424, 555530, 700120, 1111060, 1277719, 2222120, 2555438, 5110876, 6388595, 10221752, 12777190, 25554380, 51108760]

約数ペア:

[(1, 51108760), (2, 25554380), (4, 12777190), (5, 10221752), (8, 6388595), (10, 5110876), (20, 2555438), (23, 2222120), (40, 1277719), (46, 1111060), (73, 700120), (92, 555530), (115, 444424), (146, 350060), (184, 277765), (230, 222212), (292, 175030), (365, 140024), (460, 111106), (584, 87515), (730, 70012), (761, 67160), (920, 55553), (1460, 35006), (1522, 33580), (1679, 30440), (2920, 17503), (3044, 16790), (3358, 15220), (3805, 13432), (6088, 8395), (6716, 7610)]