78665440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{70237}}^1$

素因数の和:70259

約数の個数: 48

約数和(自身を含む): 212399712

約数和(自身を除く): 133734272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 70237, 140474, 280948, 351185, 491659, 561896, 702370, 983318, 1123792, 1404740, 1966636, 2247584, 2458295, 2809480, 3933272, 4916590, 5618960, 7866544, 9833180, 11237920, 15733088, 19666360, 39332720, 78665440]

約数ペア:

[(1, 78665440), (2, 39332720), (4, 19666360), (5, 15733088), (7, 11237920), (8, 9833180), (10, 7866544), (14, 5618960), (16, 4916590), (20, 3933272), (28, 2809480), (32, 2458295), (35, 2247584), (40, 1966636), (56, 1404740), (70, 1123792), (80, 983318), (112, 702370), (140, 561896), (160, 491659), (224, 351185), (280, 280948), (560, 140474), (1120, 70237)]