13204880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12697}}^1$

素因数の和:12723

約数の個数: 40

約数和(自身を含む): 33065592

約数和(自身を除く): 19860712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12697, 25394, 50788, 63485, 101576, 126970, 165061, 203152, 253940, 330122, 507880, 660244, 825305, 1015760, 1320488, 1650610, 2640976, 3301220, 6602440, 13204880]

約数ペア:

[(1, 13204880), (2, 6602440), (4, 3301220), (5, 2640976), (8, 1650610), (10, 1320488), (13, 1015760), (16, 825305), (20, 660244), (26, 507880), (40, 330122), (52, 253940), (65, 203152), (80, 165061), (104, 126970), (130, 101576), (208, 63485), (260, 50788), (520, 25394), (1040, 12697)]