128152520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{33029}}^1$

素因数の和:33137

約数の個数: 32

約数和(自身を含む): 291324600

約数和(自身を除く): 163172080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 33029, 66058, 132116, 165145, 264232, 330290, 660580, 1321160, 3203813, 6407626, 12815252, 16019065, 25630504, 32038130, 64076260, 128152520]

約数ペア:

[(1, 128152520), (2, 64076260), (4, 32038130), (5, 25630504), (8, 16019065), (10, 12815252), (20, 6407626), (40, 3203813), (97, 1321160), (194, 660580), (388, 330290), (485, 264232), (776, 165145), (970, 132116), (1940, 66058), (3880, 33029)]