55321040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7129}}^1$

素因数の和:7239

約数の個数: 40

約数和(自身を含む): 129965640

約数和(自身を除く): 74644600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7129, 7760, 14258, 28516, 35645, 57032, 71290, 114064, 142580, 285160, 570320, 691513, 1383026, 2766052, 3457565, 5532104, 6915130, 11064208, 13830260, 27660520, 55321040]

約数ペア:

[(1, 55321040), (2, 27660520), (4, 13830260), (5, 11064208), (8, 6915130), (10, 5532104), (16, 3457565), (20, 2766052), (40, 1383026), (80, 691513), (97, 570320), (194, 285160), (388, 142580), (485, 114064), (776, 71290), (970, 57032), (1552, 35645), (1940, 28516), (3880, 14258), (7129, 7760)]