80276816

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 159260640

約数和(自身を除く): 78983824

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 277, 307, 472, 554, 614, 944, 1108, 1228, 2216, 2456, 4432, 4912, 16343, 18113, 32686, 36226, 65372, 72452, 85039, 130744, 144904, 170078, 261488, 289808, 340156, 680312, 1360624, 5017301, 10034602, 20069204, 40138408, 80276816]

約数ペア:

[(1, 80276816), (2, 40138408), (4, 20069204), (8, 10034602), (16, 5017301), (59, 1360624), (118, 680312), (236, 340156), (277, 289808), (307, 261488), (472, 170078), (554, 144904), (614, 130744), (944, 85039), (1108, 72452), (1228, 65372), (2216, 36226), (2456, 32686), (4432, 18113), (4912, 16343)]