64321760

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5507}}^1$

素因数の和:5595

約数の個数: 48

約数和(自身を含む): 154069776

約数和(自身を除く): 89748016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5507, 5840, 11014, 11680, 22028, 27535, 44056, 55070, 88112, 110140, 176224, 220280, 402011, 440560, 804022, 881120, 1608044, 2010055, 3216088, 4020110, 6432176, 8040220, 12864352, 16080440, 32160880, 64321760]

約数ペア:

[(1, 64321760), (2, 32160880), (4, 16080440), (5, 12864352), (8, 8040220), (10, 6432176), (16, 4020110), (20, 3216088), (32, 2010055), (40, 1608044), (73, 881120), (80, 804022), (146, 440560), (160, 402011), (292, 220280), (365, 176224), (584, 110140), (730, 88112), (1168, 55070), (1460, 44056), (2336, 27535), (2920, 22028), (5507, 11680), (5840, 11014)]