161551160

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{3449}}^1$

素因数の和:4631

約数の個数: 32

約数和(自身を含む): 363906000

約数和(自身を除く): 202354840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 2342, 3449, 4684, 5855, 6898, 9368, 11710, 13796, 17245, 23420, 27592, 34490, 46840, 68980, 137960, 4038779, 8077558, 16155116, 20193895, 32310232, 40387790, 80775580, 161551160]

約数ペア:

[(1, 161551160), (2, 80775580), (4, 40387790), (5, 32310232), (8, 20193895), (10, 16155116), (20, 8077558), (40, 4038779), (1171, 137960), (2342, 68980), (3449, 46840), (4684, 34490), (5855, 27592), (6898, 23420), (9368, 17245), (11710, 13796)]