157260280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{40531}}^1$

素因数の和:40639

約数の個数: 32

約数和(自身を含む): 357492240

約数和(自身を除く): 200231960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 40531, 81062, 162124, 202655, 324248, 405310, 810620, 1621240, 3931507, 7863014, 15726028, 19657535, 31452056, 39315070, 78630140, 157260280]

約数ペア:

[(1, 157260280), (2, 78630140), (4, 39315070), (5, 31452056), (8, 19657535), (10, 15726028), (20, 7863014), (40, 3931507), (97, 1621240), (194, 810620), (388, 405310), (485, 324248), (776, 202655), (970, 162124), (1940, 81062), (3880, 40531)]