12743120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12253}}^1$

素因数の和:12279

約数の個数: 40

約数和(自身を含む): 31909416

約数和(自身を除く): 19166296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12253, 24506, 49012, 61265, 98024, 122530, 159289, 196048, 245060, 318578, 490120, 637156, 796445, 980240, 1274312, 1592890, 2548624, 3185780, 6371560, 12743120]

約数ペア:

[(1, 12743120), (2, 6371560), (4, 3185780), (5, 2548624), (8, 1592890), (10, 1274312), (13, 980240), (16, 796445), (20, 637156), (26, 490120), (40, 318578), (52, 245060), (65, 196048), (80, 159289), (104, 122530), (130, 98024), (208, 61265), (260, 49012), (520, 24506), (1040, 12253)]