11380720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 29498112

約数和(自身を除く): 18117392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 353, 403, 496, 520, 620, 706, 806, 1040, 1240, 1412, 1612, 1765, 2015, 2480, 2824, 3224, 3530, 4030, 4589, 5648, 6448, 7060, 8060, 9178, 10943, 14120, 16120, 18356, 21886, 22945, 28240, 32240, 36712, 43772, 45890, 54715, 73424, 87544, 91780, 109430, 142259, 175088, 183560, 218860, 284518, 367120, 437720, 569036, 711295, 875440, 1138072, 1422590, 2276144, 2845180, 5690360, 11380720]

約数ペア:

[(1, 11380720), (2, 5690360), (4, 2845180), (5, 2276144), (8, 1422590), (10, 1138072), (13, 875440), (16, 711295), (20, 569036), (26, 437720), (31, 367120), (40, 284518), (52, 218860), (62, 183560), (65, 175088), (80, 142259), (104, 109430), (124, 91780), (130, 87544), (155, 73424), (208, 54715), (248, 45890), (260, 43772), (310, 36712), (353, 32240), (403, 28240), (496, 22945), (520, 21886), (620, 18356), (706, 16120), (806, 14120), (1040, 10943), (1240, 9178), (1412, 8060), (1612, 7060), (1765, 6448), (2015, 5648), (2480, 4589), (2824, 4030), (3224, 3530)]