71445040

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2909}}^1$

素因数の和:3229

約数の個数: 40

約数和(自身を含む): 166708080

約数和(自身を除く): 95263040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 2909, 3070, 4912, 5818, 6140, 11636, 12280, 14545, 23272, 24560, 29090, 46544, 58180, 116360, 232720, 893063, 1786126, 3572252, 4465315, 7144504, 8930630, 14289008, 17861260, 35722520, 71445040]

約数ペア:

[(1, 71445040), (2, 35722520), (4, 17861260), (5, 14289008), (8, 8930630), (10, 7144504), (16, 4465315), (20, 3572252), (40, 1786126), (80, 893063), (307, 232720), (614, 116360), (1228, 58180), (1535, 46544), (2456, 29090), (2909, 24560), (3070, 23272), (4912, 14545), (5818, 12280), (6140, 11636)]