67336520

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1543}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 151744320

約数和(自身を除く): 84407800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 1543, 2182, 3086, 4364, 5455, 6172, 7715, 8728, 10910, 12344, 15430, 21820, 30860, 43640, 61720, 1683413, 3366826, 6733652, 8417065, 13467304, 16834130, 33668260, 67336520]

約数ペア:

[(1, 67336520), (2, 33668260), (4, 16834130), (5, 13467304), (8, 8417065), (10, 6733652), (20, 3366826), (40, 1683413), (1091, 61720), (1543, 43640), (2182, 30860), (3086, 21820), (4364, 15430), (5455, 12344), (6172, 10910), (7715, 8728)]