158063440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20369}}^1$

素因数の和:20479

約数の個数: 40

約数和(自身を含む): 371304360

約数和(自身を除く): 213240920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 20369, 40738, 81476, 101845, 162952, 203690, 325904, 407380, 814760, 1629520, 1975793, 3951586, 7903172, 9878965, 15806344, 19757930, 31612688, 39515860, 79031720, 158063440]

約数ペア:

[(1, 158063440), (2, 79031720), (4, 39515860), (5, 31612688), (8, 19757930), (10, 15806344), (16, 9878965), (20, 7903172), (40, 3951586), (80, 1975793), (97, 1629520), (194, 814760), (388, 407380), (485, 325904), (776, 203690), (970, 162952), (1552, 101845), (1940, 81476), (3880, 40738), (7760, 20369)]