80464280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11903}}^1$

素因数の和:11940

約数の個数: 48

約数和(自身を含む): 196058880

約数和(自身を除く): 115594600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 11903, 23806, 47612, 59515, 95224, 119030, 154739, 238060, 309478, 476120, 618956, 773695, 1237912, 1547390, 2011607, 3094780, 4023214, 6189560, 8046428, 10058035, 16092856, 20116070, 40232140, 80464280]

約数ペア:

[(1, 80464280), (2, 40232140), (4, 20116070), (5, 16092856), (8, 10058035), (10, 8046428), (13, 6189560), (20, 4023214), (26, 3094780), (40, 2011607), (52, 1547390), (65, 1237912), (104, 773695), (130, 618956), (169, 476120), (260, 309478), (338, 238060), (520, 154739), (676, 119030), (845, 95224), (1352, 59515), (1690, 47612), (3380, 23806), (6760, 11903)]