13249880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 34560000

約数和(自身を除く): 21310120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 599, 632, 790, 1106, 1198, 1580, 2212, 2396, 2765, 2995, 3160, 4193, 4424, 4792, 5530, 5990, 8386, 11060, 11980, 16772, 20965, 22120, 23960, 33544, 41930, 47321, 83860, 94642, 167720, 189284, 236605, 331247, 378568, 473210, 662494, 946420, 1324988, 1656235, 1892840, 2649976, 3312470, 6624940, 13249880]

約数ペア:

[(1, 13249880), (2, 6624940), (4, 3312470), (5, 2649976), (7, 1892840), (8, 1656235), (10, 1324988), (14, 946420), (20, 662494), (28, 473210), (35, 378568), (40, 331247), (56, 236605), (70, 189284), (79, 167720), (140, 94642), (158, 83860), (280, 47321), (316, 41930), (395, 33544), (553, 23960), (599, 22120), (632, 20965), (790, 16772), (1106, 11980), (1198, 11060), (1580, 8386), (2212, 5990), (2396, 5530), (2765, 4792), (2995, 4424), (3160, 4193)]