138182320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{17807}}^1$

素因数の和:17917

約数の個数: 40

約数和(自身を含む): 324604224

約数和(自身を除く): 186421904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 17807, 35614, 71228, 89035, 142456, 178070, 284912, 356140, 712280, 1424560, 1727279, 3454558, 6909116, 8636395, 13818232, 17272790, 27636464, 34545580, 69091160, 138182320]

約数ペア:

[(1, 138182320), (2, 69091160), (4, 34545580), (5, 27636464), (8, 17272790), (10, 13818232), (16, 8636395), (20, 6909116), (40, 3454558), (80, 1727279), (97, 1424560), (194, 712280), (388, 356140), (485, 284912), (776, 178070), (970, 142456), (1552, 89035), (1940, 71228), (3880, 35614), (7760, 17807)]