26760760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 66134880

約数和(自身を除く): 39374120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 971, 1060, 1378, 1942, 2120, 2756, 3445, 3884, 4855, 5512, 6890, 7768, 9710, 12623, 13780, 19420, 25246, 27560, 38840, 50492, 51463, 63115, 100984, 102926, 126230, 205852, 252460, 257315, 411704, 504920, 514630, 669019, 1029260, 1338038, 2058520, 2676076, 3345095, 5352152, 6690190, 13380380, 26760760]

約数ペア:

[(1, 26760760), (2, 13380380), (4, 6690190), (5, 5352152), (8, 3345095), (10, 2676076), (13, 2058520), (20, 1338038), (26, 1029260), (40, 669019), (52, 514630), (53, 504920), (65, 411704), (104, 257315), (106, 252460), (130, 205852), (212, 126230), (260, 102926), (265, 100984), (424, 63115), (520, 51463), (530, 50492), (689, 38840), (971, 27560), (1060, 25246), (1378, 19420), (1942, 13780), (2120, 12623), (2756, 9710), (3445, 7768), (3884, 6890), (4855, 5512)]