1296125840

素因数分解:

$2^4\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{9719}}^1$

素因数の和:11399

約数の個数: 40

約数和(自身を含む): 3015610560

約数和(自身を除く): 1719484720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1667, 3334, 6668, 8335, 9719, 13336, 16670, 19438, 26672, 33340, 38876, 48595, 66680, 77752, 97190, 133360, 155504, 194380, 388760, 777520, 16201573, 32403146, 64806292, 81007865, 129612584, 162015730, 259225168, 324031460, 648062920, 1296125840]

約数ペア:

[(1, 1296125840), (2, 648062920), (4, 324031460), (5, 259225168), (8, 162015730), (10, 129612584), (16, 81007865), (20, 64806292), (40, 32403146), (80, 16201573), (1667, 777520), (3334, 388760), (6668, 194380), (8335, 155504), (9719, 133360), (13336, 97190), (16670, 77752), (19438, 66680), (26672, 48595), (33340, 38876)]