139788640

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9007}}^1$

素因数の和:9119

約数の個数: 48

約数和(自身を含む): 333692352

約数和(自身を除く): 193903712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 7760, 9007, 15520, 18014, 36028, 45035, 72056, 90070, 144112, 180140, 288224, 360280, 720560, 873679, 1441120, 1747358, 3494716, 4368395, 6989432, 8736790, 13978864, 17473580, 27957728, 34947160, 69894320, 139788640]

約数ペア:

[(1, 139788640), (2, 69894320), (4, 34947160), (5, 27957728), (8, 17473580), (10, 13978864), (16, 8736790), (20, 6989432), (32, 4368395), (40, 3494716), (80, 1747358), (97, 1441120), (160, 873679), (194, 720560), (388, 360280), (485, 288224), (776, 180140), (970, 144112), (1552, 90070), (1940, 72056), (3104, 45035), (3880, 36028), (7760, 18014), (9007, 15520)]