19970480

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2333}}^1$

素因数の和:2453

約数の個数: 40

約数和(自身を含む): 46885392

約数和(自身を除く): 26914912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 2333, 4280, 4666, 8560, 9332, 11665, 18664, 23330, 37328, 46660, 93320, 186640, 249631, 499262, 998524, 1248155, 1997048, 2496310, 3994096, 4992620, 9985240, 19970480]

約数ペア:

[(1, 19970480), (2, 9985240), (4, 4992620), (5, 3994096), (8, 2496310), (10, 1997048), (16, 1248155), (20, 998524), (40, 499262), (80, 249631), (107, 186640), (214, 93320), (428, 46660), (535, 37328), (856, 23330), (1070, 18664), (1712, 11665), (2140, 9332), (2333, 8560), (4280, 4666)]