66287440

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2699}}^1$

素因数の和:3019

約数の個数: 40

約数和(自身を含む): 154677600

約数和(自身を除く): 88390160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 2699, 3070, 4912, 5398, 6140, 10796, 12280, 13495, 21592, 24560, 26990, 43184, 53980, 107960, 215920, 828593, 1657186, 3314372, 4142965, 6628744, 8285930, 13257488, 16571860, 33143720, 66287440]

約数ペア:

[(1, 66287440), (2, 33143720), (4, 16571860), (5, 13257488), (8, 8285930), (10, 6628744), (16, 4142965), (20, 3314372), (40, 1657186), (80, 828593), (307, 215920), (614, 107960), (1228, 53980), (1535, 43184), (2456, 26990), (2699, 24560), (3070, 21592), (4912, 13495), (5398, 12280), (6140, 10796)]