2019954160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{45659}}^1$

素因数の和:45758

約数の個数: 80

約数和(自身を含む): 5435366400

約数和(自身を除く): 3415412240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 22120, 44240, 45659, 91318, 182636, 228295, 319613, 365272, 456590, 639226, 730544, 913180, 1278452, 1598065, 1826360, 2556904, 3196130, 3607061, 3652720, 5113808, 6392260, 7214122, 12784520, 14428244, 18035305, 25249427, 25569040, 28856488, 36070610, 50498854, 57712976, 72141220, 100997708, 126247135, 144282440, 201995416, 252494270, 288564880, 403990832, 504988540, 1009977080, 2019954160]

約数ペア:

[(1, 2019954160), (2, 1009977080), (4, 504988540), (5, 403990832), (7, 288564880), (8, 252494270), (10, 201995416), (14, 144282440), (16, 126247135), (20, 100997708), (28, 72141220), (35, 57712976), (40, 50498854), (56, 36070610), (70, 28856488), (79, 25569040), (80, 25249427), (112, 18035305), (140, 14428244), (158, 12784520), (280, 7214122), (316, 6392260), (395, 5113808), (553, 3652720), (560, 3607061), (632, 3196130), (790, 2556904), (1106, 1826360), (1264, 1598065), (1580, 1278452), (2212, 913180), (2765, 730544), (3160, 639226), (4424, 456590), (5530, 365272), (6320, 319613), (8848, 228295), (11060, 182636), (22120, 91318), (44240, 45659)]